Perhaps you should try some spelling variations:
hoc doanh » hoa doanh, hoc danh, hoc dan
cach hoc » cach thuc, cach thoi, dich hoc
cuu tong » cuu cong, cuu tinh, huu tung
tong hoc » tuong hoc, thong hoc, trong hoc
tu cach » tu cac
hoc dai » hoc dan
ca luan » cu luan, ca lua, ca quan
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc dai, nghien cuu tong hoc doanh ((khoa hoc) or (hoa hoc)) xa hoi ca luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc dai, nghien cuu tong hoc doanh ((khoa hoc) OR (hoa hoc)) xa hoi ca luan van.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc dai, nghien cuu tong hoc doanh ((khoa hoc) or (hoa hoc)) xa hoi ca luan van*.