Perhaps you should try some spelling variations:
doanh khoa » toan khoa
soc doanh » so doanh, hoa doanh, voi doanh
thanh van » thanh toan, thanh phan, thanh nhan
tuan pham » thanh pham, san pham, tac pham
cong hoc » dong hoc, cong hoa, cong coc
cuu cong » cua cong, cac cong
cong soc » cong so, cong suc, cong coc
khoa hoc » hoa hoc
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: thu cong hoc tap, nghien cuu cong soc doanh khoa hoc xa ((thanh van) OR (thanh san)) tuan pham~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu cong hoc tap, nghien cuu cong soc doanh khoa hoc xa ((thanh van) OR (thanh san)) tuan pham".
• Adding a wildcard symbol may retrieve word variants: thu cong hoc tap, nghien cuu cong soc doanh khoa hoc xa ((thanh van) OR (thanh san)) tuan pham*.