Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
tang van » dang van, hoang van, trong van
su sach » so sach, vu sach
va danh » va dinh, va dan, va hanh
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
tang ma » mang may
su tien » su kien, su hien, tu tieng
ve cam » ve cham, ve cac, va cam

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 y ((tang ma) OR (tang van)) hoi. hieu ve cam tuc ((va danh) or (ban thanh)) lai su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((tang ma) OR (tang van)) hoi. hieu ve cam tuc ((va danh) OR (ban thanh)) lai su tien*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y ((tang ma) OR (tang van)) hoi. hieu ve cam tuc ((va danh) or (ban thanh)) lai su tien*".