Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
hieu van » hieu va, thien van, lieu va
sach bai » sach dao, cac bai, sach xa
sach thi » sach thu, sach tai, sach thieu
vai cua » dai cua, hai cua, lai cua
luc ban » duc ban, cuc ban, luc bat
cam luc » cam xuc, cau luc
van cam » van nam, van lam, van cau
nang xa » lang xa, nang ma, mang xa
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: te ((sach thi) or (sach bai)) ((nang xa) or (nang x)) hoi. hieu van cam luc ban thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach thi) OR (sach bai)) ((nang xa) OR (nang x)) hoi. hieu van cam luc ban thanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: te ((sach thi) or (sach bai)) ((nang xa) or (nang x)) hoi. hieu van cam luc ban thanh vai cua te*.