Perhaps you should try some spelling variations:
khien cam » khien cau, khien canh, khien giam
van doanh » toan doanh, van dong, van thanh
doanh dan » doanh ban, doanh van, doanh dao
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
xuc van » duc van, luc van, vuc van
dan cau » danh cau, dan ca, dat cau
ma hoi » mai hoi, xa hoi, ma hoa
cau tu » dau tu, cau truc

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) ky tang ma hoi. dieu khien cam xuc van doanh dan cau tu~".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (tu sach)) ky tang ma hoi. dieu khien cam xuc van doanh dan cau tu*.