Perhaps you should try some spelling variations:
trong van » trong cac
tang luan » dung luan
sach thu » sach thue, sach thieu, sach tham
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
cham xuc » chat xuc, cham soc, pham duc
so sach » so sanh, bo sach, co sach
hieu va » lieu va, hieu qua
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach thu ((tang luan) or (trong van)) hoe. hieu va ((cham xuc) OR (cam xuc)) va thanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thu ((tang luan) OR (trong van)) hoe. hieu va ((cham xuc) OR (cam xuc)) va thanh vi cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach thu ((tang luan) or (trong van)) hoe. hieu va ((cham xuc) OR (cam xuc)) va thanh vi cua tu".
• Adding a wildcard symbol may retrieve word variants: so sach thu ((tang luan) or (trong van)) hoe. hieu va ((cham xuc) OR (cam xuc)) va thanh vi cua tu*.