Perhaps you should try some spelling variations:
thanh viec » thanh vien, thanh nien, thanh vinh
thanh liem » thanh vien
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
nang xa » nang x, lang xa, nang ma
nam tuc » nam thuc, nam truc, nam tu
tu san » thu san, tu ban, tu can
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (tu san)) ky nang xa hoi. hieu van nam tuc va ((thanh viec) or (thanh liem)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (tu san)) ky nang xa hoi. hieu van nam tuc va ((thanh viec) OR (thanh liem)) cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (tu san)) ky nang xa hoi. hieu van nam tuc va ((thanh viec) or (thanh liem)) cua triet*.