Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
hieu vien » thieu nien, hieu tieng, nhieu viec
hieu hien » bieu hien, dieu hien, chieu chien
cua triet » cua viet, su triet, va triet
hanh dai » hanh tai, hanh dao, vanh dai
cac tuc » cac toc, cac tu, cac tac
va hanh » van hanh, va thanh, va danh
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky
tuc va » thuc va, truc va, tuc xa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ky nang x ho. ((((hieu vien) OR (hieu viec))) OR (hieu hien)) cac tuc va hanh dai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu can ky nang x ho. ((((hieu vien) OR (hieu viec))) or (hieu hien)) cac tuc va hanh dai cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu can ky nang x ho. ((((hieu vien) OR (hieu viec))) or (hieu hien)) cac tuc va hanh dai cua triet*.