Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
vanh tai » van tai, hanh tai, anh tai
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
qua cac » cua cac
tai cau » tai cac, tai cao
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
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: tu sach ky nang x hoi. hieu qua cac ((xuc va) or (tuc va)) vanh tai cau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x hoi. hieu qua cac ((xuc va) OR (tuc va)) vanh tai cau triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. hieu qua cac ((xuc va) or (tuc va)) vanh tai cau triet*.