Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
su triet » su viet, su tien, ve triet
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
xuc va » tuc va, luc va, xac va
dan vi » doan vi, dan va, gan vi
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: te sach ly nang x hoi. hieu qua cham ((xuc va) or (duc va)) ((dan vi) or (don vi)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang x hoi. hieu qua cham ((xuc va) OR (duc va)) ((dan vi) OR (don vi)) su triet.
• Adding a wildcard symbol may retrieve word variants: te sach ly nang x hoi. hieu qua cham ((xuc va) or (duc va)) ((dan vi) or (don vi)) su triet*.