Perhaps you should try some spelling variations:
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
va luan » vay luan, van luan, va quan
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 dan) or (hoa doanh)) khoa hoc ma hoa va luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu tich hoc tap, nghien cuu cong ((hoc dan) OR (hoa doanh)) khoa hoc ma hoa va luan van.
• Adding a wildcard symbol may retrieve word variants: thu tich hoc tap, nghien cuu cong ((hoc dan) or (hoa doanh)) khoa hoc ma hoa va luan van*.