Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
chat luc » chat xuc, chat lua, nhan luc
hanh lam » thanh lap, hanh kem, hanh va
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va
va hanh » van hanh, va thanh, va danh
y nang » ky nang, ly nang, v nang
luc va » duc va, tuc va, loc va
lam va » nam va, dam va, lam ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang xa hoi. ((hieu ve) or (hieu van)) chat luc va hanh lam va (thiet or thieu)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. ((hieu ve) OR (hieu van)) chat luc va hanh lam va (thiet OR thieu).
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. ((hieu ve) or (hieu van)) chat luc va hanh lam va (thiet or thieu)*.