Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hieu vien » hieu viec, thieu nien, hieu tieng
cua triet » cua viet, su triet, va triet
hanh dao » lanh dao, thanh dat, thanh dam
tu sang » thu sang, tu san, tu lang
sang ky » sang kyo, dang ky, tang ky
cac tuc » cac toc, cac tu, cac tac
va hanh » van hanh, va thanh, va danh
dao cua » dai cua, day cua, dan cua
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 sang ky nang x ho. ((hieu vien) or (hieu hien)) cac tuc va hanh dao cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sang ky nang x ho. ((hieu vien) OR (hieu hien)) cac tuc va hanh dao cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sang ky nang x ho. ((hieu vien) or (hieu hien)) cac tuc va hanh dao cua triet*.