Perhaps you should try some spelling variations:
thien van » thi van
cuc triet » cua triet, su triet, cac trieu
van cham » van chat, van tham, va cham
hanh tai » thanh tai, hang tai, han tai
nang xa » nang x, lang xa, nang ma
tu san » thu san, tu ban, vu san
tu can » tu ban, tu cac, thu canh
soc va » hoc va, doc va, goc va
loc va » hoc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu san) OR (tu can)) ky nang xa hoi. thien van cham ((soc va) or (loc va)) hanh tai cuc triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu can)) ky nang xa hoi. thien van cham ((soc va) OR (loc va)) hanh tai cuc triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) OR (tu can)) ky nang xa hoi. thien van cham ((soc va) or (loc va)) hanh tai cuc triet".
• Adding a wildcard symbol may retrieve word variants: ((tu san) OR (tu can)) ky nang xa hoi. thien van cham ((soc va) or (loc va)) hanh tai cuc triet*.