Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
tham nang » nham nang, tham lang, tham nhung
sach tham » sach nha
hoc sach » hoc sinh, hoc cac, hoc anh
cam truc » cau truc, nam truc, lam truoc
va thanh » gia thanh, ban thanh, va tinh
nang xa » nang x, lang xa, nang ma
hieu va » hieu qua
cua tre » cuu tre, cua triet, dua tren
truc va » thuc va, thuc vat, trung va
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach tham nang xa hoi. ((hieu va) OR (lieu va)) cam truc va thanh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach tham nang xa hoi. ((hieu va) OR (lieu va)) cam truc va thanh vai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach tham nang xa hoi. ((hieu va) OR (lieu va)) cam truc va thanh vai ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: hoc sach tham nang xa hoi. ((hieu va) OR (lieu va)) cam truc va thanh vai ((cua tre) or (cua te))*.