Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
phuong hoa » huong hoa, phuong hoang, hung hoa
hoc khanh » hoc nhanh, hoc hanh, hoa khanh
hoc thanh » hoc nhanh, hoan thanh, hoc phan
dich hoc » sinh hoc, hinh hoc, tinh hoc
van luan » van quan, van tuan, von luan
tu dich » te dich, chu dich, hut dich
hoi van » hoi va, hoi dan, hai van
cua mo » cua mot, cua moi, cua bo

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu dich hoc tap, nghien cua mo ((hoc khanh) OR (hoc thanh)) phuong hoa xa hoi van luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dich hoc tap, nghien cua mo ((hoc khanh) OR (hoc thanh)) phuong hoa xa hoi van luan van".
• Adding a wildcard symbol may retrieve word variants: tu dich hoc tap, nghien cua mo ((hoc khanh) OR (hoc thanh)) phuong hoa xa hoi van luan van*.