Perhaps you should try some spelling variations:
hoc khanh » hoc nhanh, hoc thanh, hoc hanh
minh han » minh hang, minh nhan, minh can
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
phong co » phong cho, phong so, thong co
nhan van » nhan dan, phan van, nha van
tu minh » thu minh, vu minh, thi minh
han tap » han tai, toan tap, nhan tai
nhan va » nhan tai, nhan dan, nhan tao
co xa » cho xa, co xua, co ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu minh han tap, nghien cuu dong hoc khanh phong co xa hoi va ((nhan van) or (nhan va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu minh han tap, nghien cuu dong hoc khanh phong co xa hoi va ((nhan van) OR (nhan va)).
• Adding a wildcard symbol may retrieve word variants: tu minh han tap, nghien cuu dong hoc khanh phong co xa hoi va ((nhan van) or (nhan va))*.