Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
thanh ha » thanh hoa, thanh hai, nhanh ha
sach ky » sac ky, sach y, sach ty
dac san » dac sac, cac san, dac nhan
te sach » toc sach
dac ban » cac ban, duc ban, da ban
hieu va » lieu va, hieu qua
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang

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 tang xa hoi. hieu va cac ((dac ban) or (dac san)) thanh ha ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky tang xa hoi. hieu va cac ((dac ban) OR (dac san)) thanh ha ((cua triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: te sach ky tang xa hoi. hieu va cac ((dac ban) or (dac san)) thanh ha ((cua triet) or (su triet))*.