Perhaps you should try some spelling variations:
ban thanh » ban hanh
cua viet » ca viet, cua vat, cua dieu
ban hang » ngan hang
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
cam tuc » cam xuc, cam tu, nam thuc
hieu va » lieu va, hieu qua
ly nang » ky nang, ly hang, ly vang
va cam » va cham, va cac, va cao
x hoi » xa hoi, o hoi, x ho

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 ly nang x hoi. hieu va cam tuc ((ban thanh) or (ban hang)) vi ((cua viet) OR (hoa viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang x hoi. hieu va cam tuc ((ban thanh) OR (ban hang)) vi ((cua viet) OR (hoa viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly nang x hoi. hieu va cam tuc ((ban thanh) or (ban hang)) vi ((cua viet) OR (hoa viet))".
• Adding a wildcard symbol may retrieve word variants: su sach ly nang x hoi. hieu va cam tuc ((ban thanh) or (ban hang)) vi ((cua viet) OR (hoa viet))*.