Perhaps you should try some spelling variations:
hoc doanh » hoc danh, hoc dan, hoc nganh
hoa doanh » toan doanh, hoa dan
thu tich » chu tich, chu thich, thue tinh
tich hoc » tinh hoc, dich hoc, tich hop
cuu cong » cua cong, thu cong, cac cong
khoa hoc » hoa hoc
phan van » pham van, thanh van, luan van
va phan » van phan, va phat, va phap
hoa va » hoa van, hoa xa, hoa vo

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu tich hoc tap, nghien cuu cong ((hoc doanh) or (hoa doanh)) khoa hoc ma hoa va phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu tich hoc tap, nghien cuu cong ((hoc doanh) OR (hoa doanh)) khoa hoc ma hoa va phan van.
• Adding a wildcard symbol may retrieve word variants: thu tich hoc tap, nghien cuu cong ((hoc doanh) or (hoa doanh)) khoa hoc ma hoa va phan van*.