Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
doanh khoa » toan khoa
cho doanh » hoa doanh
chu dich » chu tich, chu dinh, chu thich
dich hoc » sinh hoc, hinh hoc, tinh hoc
cong cho » dong cho, cong co, rong cho
khoa hoc » hoa hoc
bai luan » bai toan, li luan, vay luan
va luan » vay luan, van luan, va quan
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: chu dich hoc tap, nghien cua cong cho doanh khoa hoc xa hoi ((va luan) or (bai luan)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chu dich hoc tap, nghien cua cong cho doanh khoa hoc xa hoi ((va luan) OR (bai luan)) van.
• Adding a wildcard symbol may retrieve word variants: chu dich hoc tap, nghien cua cong cho doanh khoa hoc xa hoi ((va luan) or (bai luan)) van*.