Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
sach thi » sach thu, sach tai, sach thieu
thi hanh » thi thanh
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
hanh xa » hanh va, hanh ma, hanh xu
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach thi hanh xa hoi. hieu ve ((cac xuc) or (hoc nuoc)) ((van hanh) or (ban thanh)) dai cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thi hanh xa hoi. hieu ve ((cac xuc) OR (hoc nuoc)) ((van hanh) OR (ban thanh)) dai cua cu.
• Adding a wildcard symbol may retrieve word variants: te sach thi hanh xa hoi. hieu ve ((cac xuc) or (hoc nuoc)) ((van hanh) or (ban thanh)) dai cua cu*.