Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
ban hang » ngan hang
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cao hoi » cau hoi, co hoi, cao hoc
van cac » van hac, van cau, van bac
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty nang cao hoi. hieu van cac xuc ((va hanh) or (ban hang)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang cao hoi. hieu van cac xuc ((va hanh) OR (ban hang)) vi cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang cao hoi. hieu van cac xuc ((va hanh) or (ban hang)) vi cua triet*.