Perhaps you should try some spelling variations:
doanh khong » doanh thuong, doanh khoa, doanh chung
hoa doanh » toan doanh, hoa dan
khong hoc » khung hoc, thong hoc, khong thuoc
thanh van » thanh san, thanh toan, thanh phan
dinh hoc » sinh hoc, hinh hoc, tinh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoa » dong hoa, dong hoc, hang hoa
phan van » pham van, luan van, tran van
hoi cau » hoi chu, hoc cau, hoa cau
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: quy dinh hoc tap, nghien cuu cong hoa doanh khong hoc xa hoi cau ((phan van) or (thanh van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: quy dinh hoc tap, nghien cuu cong hoa doanh khong hoc xa hoi cau ((phan van) OR (thanh van)).
• Adding a wildcard symbol may retrieve word variants: quy dinh hoc tap, nghien cuu cong hoa doanh khong hoc xa hoi cau ((phan van) or (thanh van))*.