Perhaps you should try some spelling variations:
va trien » va truyen, va thiet, va tuyen
su triet » su viet, su tien, ve triet
thanh ve » hanh ve, thanh va, thanh vien
thanh vi » hanh vi, thanh va, nhanh vi
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 ve)) ((su triet) or (va trien))~.
• 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 ve)) ((su triet) OR (va trien)).
• Adding a wildcard symbol may retrieve word variants: vu sach y nang x hoi. hieu va chat te ban ((thanh vi) or (thanh ve)) ((su triet) or (va trien))*.