Perhaps you should try some spelling variations:
phat hien » phat trien
khach ky » hanh ky, thanh ky
thanh le » thinh le, thanh ve, thanh de
va thanh » gia thanh, ban thanh, va tinh
vu khach » vu khanh, vu khac, vay khach
nang ro » nang co, nang ho, nang ra
le phat » te phat, de phat, le nhat
ve cham » va cham, ve chat, vu cham
ve cau » ke cau, va cau, ve cac
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
ro hoi » co hoi, o hoi, mo hoi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ky nang ro hoi. hieu ((((ve cau) or (ve cham))) or (va cam)) luc va thanh le phat hien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ky nang ro hoi. hieu ((((ve cau) OR (ve cham))) OR (va cam)) luc va thanh le phat hien.
• Adding a wildcard symbol may retrieve word variants: vu khach ky nang ro hoi. hieu ((((ve cau) or (ve cham))) or (va cam)) luc va thanh le phat hien*.