Hi everyone need some help about my formula. I have a formula sample below my problem is how can i simplify this formula so that it will easy to understand. Thank you in advance!

=IF(ISNUMBER(SEARCH("Panels",[@[DESCRIPTION/ACTIVITY]])),"GRP Hoarding",IF(ISNUMBER(SEARCH("Mock Up Sample of GRP Hoarding",[@[DESCRIPTION/ACTIVITY]])),"GRP Hoarding",IF(ISNUMBER(SEARCH("Piles",[@[DESCRIPTION/ACTIVITY]])),"Shoring System",IF(ISNUMBER(SEARCH("Removal of Hard Landscaping",[@[DESCRIPTION/ACTIVITY]])),"Hard Landscaping",IF(ISNUMBER(SEARCH("Project Sign Board",[@[DESCRIPTION/ACTIVITY]])),"Project Sign Board",IF(ISNUMBER(SEARCH("Removal of Asphalt Pavement",[@[DESCRIPTION/ACTIVITY]])),"Concrete Pavement",IF(ISNUMBER(SEARCH("Removal of Soft Landscaping",[@[DESCRIPTION/ACTIVITY]])),"Soft landscaping",IF(ISNUMBER(SEARCH("Directional Signage",[@[DESCRIPTION/ACTIVITY]])),"Directional Signage",IF(ISNUMBER(SEARCH("Light Fittings",[@[DESCRIPTION/ACTIVITY]])),"Light Fittings",IF(ISNUMBER(SEARCH("Camera & Speakers",[@[DESCRIPTION/ACTIVITY]])),"Camera & Speakers",IF(ISNUMBER(SEARCH("DB’s",[@[DESCRIPTION/ACTIVITY]])),"DB’s",IF(ISNUMBER(SEARCH("Water Leak Test",[@[DESCRIPTION/ACTIVITY]])),"Water Leak Test",IF(ISNUMBER(SEARCH("Re-routing",[@[DESCRIPTION/ACTIVITY]])),"Re-routing","")))))))))))))