Perhaps you should try some spelling variations:
thanh vien » nhan vien, thanh van
va triet » va thiet, va trien, ve triet
su triet » su viet, su tien, ve triet
thanh vi » hanh vi, thanh va, thanh ve
va chat » van chat, va phat, cao chat
chat te » chat deo, chat tai, chat beo
hieu va » lieu va, hieu qua
vu sach » vu bach, su sach, vu khach
te ban » te bao
y nang » ky nang, ly nang, v nang
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 sach y nang x hoi. hieu va chat te ban ((thanh vi) or (thanh vien)) ((su triet) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang x hoi. hieu va chat te ban ((thanh vi) OR (thanh vien)) ((su triet) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: vu sach y nang x hoi. hieu va chat te ban ((thanh vi) or (thanh vien)) ((su triet) or (va triet))*.