Perhaps you should try some spelling variations:
khien cau » hien cau, thien cau, khien canh
thu sach » thuat sach, thuoc sach, thu hoach
va doanh » van doanh, vay doanh, va danh
nhan cua » nhat cua, nhan luc, nhan su
tu sach » su sach, te sach, tu cach
ha tang » phap tang, cao tang, kho tang
tang ma » mang may, tang van
cau xuc » cam xuc, cau luc, cau truc
cua duc » cua tuc, cua nuoc, cua quoc
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va

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: ((tu sach) OR (thu sach)) ha tang ma hoi. dieu khien cau xuc va doanh nhan cua duc~.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ha tang ma hoi. dieu khien cau xuc va doanh nhan cua duc*.