Perhaps you should try some spelling variations:
thang van » tang van, thong van, thang va
thanh van » thanh san, thanh toan, thanh phan
sach thu » sach thue, sach thieu, sach tham
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
so sach » so sanh, bo sach, co sach
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
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 ((thang van) or (thanh van)) hoa. hieu van chat xuc va hanh vi ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thu ((thang van) OR (thanh van)) hoa. hieu van chat xuc va hanh vi ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: so sach thu ((thang van) or (thanh van)) hoa. hieu van chat xuc va hanh vi ((cua te) or (cua tu))*.