Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cac trieu » cac tieu, cau trieu, cac kieu
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 luc » nhan luc, than luc
va hanh » van hanh, va thanh, va danh
va hac » van hac, va khac, va cac
luc va » duc va, tuc va, loc va

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 luc va hanh lai ((cac 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 luc va hanh lai ((cac trieu) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: vu sach ((ty nang) or (ty xang)) xa hoi. lieu va hac luc va hanh lai ((cac trieu) or (cua triet))*.