Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
toc sach » hoc sach, doc sach, thuoc sach
thi hang » thi hanh, thi nang, thi thanh
thanh di » thanh doi, thanh de, thanh do
thi hong » thi cong, thi phuong, thi hanh
chat xuc » chat huu, cam xuc, chao xu
cac xuc » cam xuc, cac nuoc, cac cuoc
cua cau » cua cac, cua chu, cua cay
hieu ve » hieu va, hieu van
ca hoc » cao hoc, cua hoc, cac hoc
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ((thi hang) or (thi hong)) ca hoc. hieu ve ((cac xuc) or (chat xuc)) van thanh di cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((thi hang) OR (thi hong)) ca hoc. hieu ve ((cac xuc) OR (chat xuc)) van thanh di cua cau*.