Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
anh vai » anh bai, anh van, anh tai
lam xuc » cam xuc, lam duoc
hieu va » lieu va, hieu qua
te sach » toc sach
tac hoi » tao hoi, tay hoi, tac hai
ky cong » ke cong, ly cong, khu cong
y cong » ly cong, _ cong, o cong
xuc va » duc va, tuc va, luc va
anh va » hanh va
va lam » van lam, va lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((y cong) or (ky cong)) tac hoi. hieu va lam xuc va ((anh vai) or (anh va)) va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y cong) OR (ky cong)) tac hoi. hieu va lam xuc va ((anh vai) OR (anh va)) va triet.
• Adding a wildcard symbol may retrieve word variants: te sach ((y cong) or (ky cong)) tac hoi. hieu va lam xuc va ((anh vai) or (anh va)) va triet*.