Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
hanh vai » hanh vi, hanh va, hanh tai
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
tuc va » thuc va, truc va, tuc xa
xuc va » duc va, luc va, xac va
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. hieu va cam ((xuc va) or (tuc va)) hanh vai ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu va cam ((xuc va) OR (tuc va)) hanh vai ((cua tre) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu va cam ((xuc va) or (tuc va)) hanh vai ((cua tre) or (su triet))*.