Perhaps you should try some spelling variations:
thanh xay » thanh tay, thanh lay, thanh xuan
lo thanh » loi thanh, lon thanh, le thanh
hanh vai » hanh vi, hanh va, hanh tai
su sach » so sach, vu sach
sach lo » sach dao, sach doi, sach hoi
xay hoi » xa hoi, tay hoi, cay phoi
va hanh » van hanh, va thanh, va danh
ve cao » va cao, ve bao, ve cac
vai va » mai va, dai va, hai va
thiet » thieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach lo thanh xay hoi. hieu ((ve cao) or (va cac)) duc va hanh vai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach lo thanh xay hoi. hieu ((ve cao) OR (va cac)) duc va hanh vai va thiet.
• Adding a wildcard symbol may retrieve word variants: su sach lo thanh xay hoi. hieu ((ve cao) or (va cac)) duc va hanh vai va thiet*.