Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
nhanh cong » nhanh chong, thanh cong, nganh cong
thu luong » thu huong, thu tuong, phu luong
luong hoc » duong hoc, tuong hoc, luong hoa
hoc nhanh » hoc nganh, hoc phan
sach hoc » cach hoc, sach hoi, mach hoc
cong hoc » dong hoc, cong hoa, cong coc
cau luan » cu luan, dau luan, khau luan
lau luan » dau luan, lap luan, khau luan
tu sach » thu sach, su sach, te sach
hoc xa » hoc 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 sach hoc tap, nghien thu luong hoc nhanh cong hoc xa hoi ((cau luan) OR (lau luan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoc tap, nghien thu luong hoc nhanh cong hoc xa hoi ((cau luan) OR (lau luan)) van".
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien thu luong hoc nhanh cong hoc xa hoi ((cau luan) OR (lau luan)) van*.