Perhaps you should try some spelling variations:
nhan thong » nhan trong, nha thong, nhan khong
thanh toan » thanh hoa, thanh san, tinh toan
thong hoa » thong khoa, thong ha, thong hoc
hoc nhan » hoc nhanh, nhoc nhan, hoc phan
tu sinh » thu sinh, tuc sinh, tu minh
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoa mai » hoa dai, hoa may, hoa moi
hoi dan » hoa dan, hoc dan, thoi dai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sinh hoc tap, nghien cuu mot hoc nhan thong hoa mai ((hoi dan) OR (hoi dap)) thanh toan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sinh hoc tap, nghien cuu mot hoc nhan thong hoa mai ((hoi dan) OR (hoi dap)) thanh toan".
• Adding a wildcard symbol may retrieve word variants: tu sinh hoc tap, nghien cuu mot hoc nhan thong hoa mai ((hoi dan) OR (hoi dap)) thanh toan*.