Perhaps you should try some spelling variations:
ban hanh » ban hang
tang van » dang van, hoang van, trong van
sach vu » sach va, sach tu, sach uu
hanh ki » hanh vi, hanh ky, hanh kien
xuc ban » duc ban, cuc ban, quoc ban
tu sach » thu sach, su sach, te sach
sang ma » tang ma, nang ma, sang tao
su tien » su kien, su hien, tu tieng
ki su » ky su

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach vu ((sang ma) or (tang van)) hoi. ((lieu va) or (hieu qua)) cam xuc ban hanh ki su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach vu ((sang ma) OR (tang van)) hoi. ((lieu va) OR (hieu qua)) cam xuc ban hanh ki su tien.
• Adding a wildcard symbol may retrieve word variants: tu sach vu ((sang ma) or (tang van)) hoi. ((lieu va) or (hieu qua)) cam xuc ban hanh ki su tien*.