Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
qua cham » qua hai, qua cac, va cham
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
va hanh » va thanh, va danh, ban hanh
vai cua » dai cua, hai cua, lai cua
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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 ky nang o hoi. hieu qua cham xuc ((va hanh) or (van hanh)) vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang o hoi. hieu qua cham xuc ((va hanh) OR (van hanh)) vai cua triet.
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang o hoi. hieu qua cham xuc ((va hanh) or (van hanh)) vai cua triet*.