Perhaps you should try some spelling variations:
doanh khoa » toan khoa
thanh van » thanh san, thanh toan, thanh phan
toan phan » thanh phan, toan ban, hoa phan
thu canh » thuc hanh, thu cong, thu ban
canh hoc » anh hoc, cach hoc, danh hoc
cuu cong » cua cong, thu cong, cac cong
so doanh » so danh, su doanh, hoa doanh
van toan » van tuan, van tan, van thanh
cong so » cong san, cong hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu canh hoc tap, nghien cuu cong so doanh khoa ((hoc xa) OR (hoc ma)) thanh van toan phan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu canh hoc tap, nghien cuu cong so doanh khoa ((hoc xa) OR (hoc ma)) thanh van toan phan".
• Adding a wildcard symbol may retrieve word variants: thu canh hoc tap, nghien cuu cong so doanh khoa ((hoc xa) OR (hoc ma)) thanh van toan phan*.