Perhaps you should try some spelling variations:
thanh phong » thanh phuong, khanh phong, thanh hong
nghien huu » nghien cuu, nguyen huu, nhiem huu
hoc thanh » hoc nhanh, hoan thanh, hoc phan
sach hoc » cach hoc, sach hoi, sach duoc
mach hoc » cach hoc, dich hoc, anh hoc
phong ho » phong cho, phong tho, phung ho
chu luan » cu luan, chu xuan, chu tuan
huu mon » huu son, hau mon, huu mot
mon hoc » toan hoc, dong hoc
hoi chu » hoi chuc
ho xa » hoa xa, hoc xa, cho xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach hoc) or (mach hoc)) tap, nghien huu mon hoc thanh phong ho xa hoi chu luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoc) OR (mach hoc)) tap, nghien huu mon hoc thanh phong ho xa hoi chu luan van.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoc) or (mach hoc)) tap, nghien huu mon hoc thanh phong ho xa hoi chu luan van*.