Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
vu khach » vu khanh, vu khac, vay khach
hieu van » hieu va, thien van, lieu va
thuc ban » thuoc ban, thuc dan, thu ban
ban hanh » ban hang
y nang » ky nang, ly nang, v nang
van am » van nam, van lam, van dam
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach y nang x hoi. hieu van am thuc ban hanh vi ((cua te) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach y nang x hoi. hieu van am thuc ban hanh vi ((cua te) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: vu khach y nang x hoi. hieu van am thuc ban hanh vi ((cua te) or (cua triet))*.