Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh van » thanh san, thanh toan, thanh phan
su triet » su tien, ve triet
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cuu tre, cua triet
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
xuc ban » duc ban, cuc ban, quoc ban
lam xuc » cam xuc, lam duoc
van lam » van nam
hang xa » hoang xa, hang va, hang ca
ty hang » ly hang, ty xang, thi hang
su viet » so viet

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 ty hang xa hoi. hieu van lam xuc ban thanh van ((cua tre) or (((su triet) OR (su viet))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty hang xa hoi. hieu van lam xuc ban thanh van ((cua tre) OR (((su triet) OR (su viet)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty hang xa hoi. hieu van lam xuc ban thanh van ((cua tre) or (((su triet) OR (su viet))))".
• Adding a wildcard symbol may retrieve word variants: su sach ty hang xa hoi. hieu van lam xuc ban thanh van ((cua tre) or (((su triet) OR (su viet))))*.