Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
phan chong » phan cong, phan hong, phap chong
thanh phan » thanh pho, thanh san, thanh hai
thanh toan » thanh hoa, thanh san, tinh toan
chong hoc » chung hoc, chong doc, thong hoc
sanh hoc » sinh hoc, anh hoc, danh hoc
cua dong » chua dong, cua cong, cua dang
dong hoc » dong co, dong luc
hoc phan » hoc dan, hoc pho
so sanh » do sanh
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: so sanh hoc tap, nghien cua dong hoc phan chong hoc xa hoi va ((thanh phan) or (thanh toan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh hoc tap, nghien cua dong hoc phan chong hoc xa hoi va ((thanh phan) OR (thanh toan)).
• Adding a wildcard symbol may retrieve word variants: so sanh hoc tap, nghien cua dong hoc phan chong hoc xa hoi va ((thanh phan) or (thanh toan))*.