Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
nganh co » nganh hoa, nganh y, anh co
sach gan » sach ngan, sach han, sach san
gan bang » ngan bang, can bang, gan hang
bang khi » ban khi, dang khoi, dang khai
so sach » so sanh, bo sach, co sach
su cao » cu cao, vu cao, su co

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: (( su cao ((nganh co) OR (nganh cong)) khi đong luc ) OR ( so sach gan bang khi đong luc ))~.
• Adding a wildcard symbol may retrieve word variants: (( su cao ((nganh co) or (nganh cong)) khi đong luc ) or ( so sach gan bang khi đong luc ))*.