Perhaps you should try some spelling variations:
chat triet » chet triet, phat trien, chat thien
ban thanh » ban hanh, ban hang
thanh le » thinh le, thanh ve, thanh de
le chat » ly chat, le nhat, ve chat
xuc ban » duc ban, cuc ban, quoc ban
vu sach » su sach, vu khach
ty nang » ky nang, ty xang, ty hang
nang co » nang cao, nang doc, nang noi
ve cham » va cham, ve chat, vu cham
co hoi » co hoc, co loi
va cam » va cham, va cac, va cao

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) OR (vu bach)) ty nang co hoi. hieu ((ve cham) or (va cam)) xuc ban thanh le chat triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (vu bach)) ty nang co hoi. hieu ((ve cham) OR (va cam)) xuc ban thanh le chat triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) OR (vu bach)) ty nang co hoi. hieu ((ve cham) or (va cam)) xuc ban thanh le chat triet".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) OR (vu bach)) ty nang co hoi. hieu ((ve cham) or (va cam)) xuc ban thanh le chat triet*.