Perhaps you should try some spelling variations:
khanh phuong » khanh phong, thanh phuong, khanh phung
phuong hoa » huong hoa, phuong hoang, hung hoa
hoc khanh » hoc nhanh, hoc thanh, hoc hanh
luan phan » luan van, luan hoan
mach hoc » cach hoc, dich hoc, anh hoc
hoi luan » hoa luan, hoc luan, khoa luan
phan van » pham van, thanh van, luan van
vu mach » vi mach, vu bach, vu manh

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu mach hoc tap, nghien ((cuu mo) or (cua cong)) hoc khanh phuong hoa xa hoi luan phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu mach hoc tap, nghien ((cuu mo) OR (cua cong)) hoc khanh phuong hoa xa hoi luan phan van.
• Adding a wildcard symbol may retrieve word variants: vu mach hoc tap, nghien ((cuu mo) or (cua cong)) hoc khanh phuong hoa xa hoi luan phan van*.