Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cau trieu » cac trieu, cau triet, chua trieu
hanh lai » hanh lam, hanh tai, thanh lap
vu sach » vu bach, su sach, vu khach
ty nang » ky nang, ty hang, ly nang
hac tuc » thac toc, thai tuc
va hanh » van hanh, va thanh, va danh
va hac » van hac, va khac, va cac
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: vu sach ((ty nang) or (ty xang)) xa hoi. lieu va hac tuc va hanh lai ((cau trieu) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((ty nang) OR (ty xang)) xa hoi. lieu va hac tuc va hanh lai ((cau trieu) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: vu sach ((ty nang) or (ty xang)) xa hoi. lieu va hac tuc va hanh lai ((cau trieu) or (cua triet))*.