Perhaps you should try some spelling variations:
doanh khoa » toan khoa
cuc doanh » cac doanh, cua doanh, muc doanh
thu sinh » thu minh, thu kinh, thuoc sinh
cuu dong » cuu cong, cuu long, luu dong
cuu tong » cuu cong, cuu tinh, huu tung
khoa hoc » hoa hoc
dap nhan » dap nha, dac nhan, dam nhan
nhan va » nhan tai, nhan dan, nhan tao
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 sinh hoc tap, nghien ((cuu dong) OR (cuu tong)) cuc doanh khoa hoc xa hoi dap nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sinh hoc tap, nghien ((cuu dong) OR (cuu tong)) cuc doanh khoa hoc xa hoi dap nhan va".
• Adding a wildcard symbol may retrieve word variants: thu sinh hoc tap, nghien ((cuu dong) OR (cuu tong)) cuc doanh khoa hoc xa hoi dap nhan va*.