Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
luu truc » luu tru, cuu thuc, huu thuc
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va cham » va chat, va tham
xuc va » tuc va, luc va, xac va

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 ky lang xa hoi. hieu va cham ((xuc va) or (duc va)) thanh vi ((luu truc) OR (cau truc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. hieu va cham ((xuc va) OR (duc va)) thanh vi ((luu truc) OR (cau truc)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang xa hoi. hieu va cham ((xuc va) or (duc va)) thanh vi ((luu truc) OR (cau truc))".
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. hieu va cham ((xuc va) or (duc va)) thanh vi ((luu truc) OR (cau truc))*.