Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
thu luong » thu huong, thu tuong, phu luong
luong hoa » luong khoa, luong hoai, luong ha
hoa thanh » hoan thanh, ha thanh, hoc thanh
khau luan » khoa luan, phap luan, pham luan
sach hoc » cach hoc, sach hoi, mach hoc
cong hoc » cong hoa, cong coc, cong ho
dong hoc » dong co, dong luc
hoi khau » thoi khac, hoi chu, hoi khoa
tu sach » thu sach, su sach, te sach

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 tap, nghien thu luong hoa thanh ((cong hoc) OR (dong hoc)) xa hoi khau luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoc tap, nghien thu luong hoa thanh ((cong hoc) OR (dong hoc)) xa hoi khau luan van".
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien thu luong hoa thanh ((cong hoc) OR (dong hoc)) xa hoi khau luan van*.