Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hanh » ban hang
cham xuc » cam xuc, chat xuc, cham soc
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
cac tru » cac tro, cac thu, cac tu
nang o » nang co, nang ho, nang ro
vi cua » vai cua, di cua
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: su ((cac tru) or (ca tru)) nang o hoi. hieu ve cham xuc ((va hanh) or (ban hanh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((cac tru) OR (ca tru)) nang o hoi. hieu ve cham xuc ((va hanh) OR (ban hanh)) vi cua triet.
• Adding a wildcard symbol may retrieve word variants: su ((cac tru) or (ca tru)) nang o hoi. hieu ve cham xuc ((va hanh) or (ban hanh)) vi cua triet*.