why I can not use "find " to sort it out

please see the attached excel file.

I use 0822 page C64 as object, to look for AP-CIIT PAGE A COLUM, It does nto work, but I search that by manually , it is ok and find it sit in A344, please advise what 's reason in there

Because you have lot of spaces after word in C64 field.

So in I field instead of =C64 write =SUBSTITUTE(C64;" ";"")
And in H =VLOOKUP($I63;'AP CIIIT'!$A$2:$E$383;2;FALSE)

note that in VLOOKUP can't be number 8. Must be 2 or 4, depending what you need.

now it's working. JKL works too for cells that match.

yes.. But also no need for two columns C and J... can be added in same vlookup formula. (of course, some other reason may require both columns)