Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
ban hanh » ban hang
khoa hoi » khoan hoi, khoa hoc, khoa doi
vai cua » dai cua, hai cua, lai cua
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
sach ky » sac ky, sach y, sach ty
hoa hoi » hoa hoc, hoa doi, hoc hoi
ky lang » ky nang, ky dang, ky tang
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky lang ((hoa hoi) OR (khoa hoi)). hieu vu cham xuc ((van ban) OR (ban hanh)) vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky lang ((hoa hoi) OR (khoa hoi)). hieu vu cham xuc ((van ban) or (ban hanh)) vai cua te~".
• Adding a wildcard symbol may retrieve word variants: thu sach ky lang ((hoa hoi) OR (khoa hoi)). hieu vu cham xuc ((van ban) or (ban hanh)) vai cua te*.