Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
cong hoc » dong hoc, cong hoa, cong coc
hop tap » hoc tap, hop tac, hop tai
va nhan » van nhan, ca nhan, va phan
va phap » va phat, ban phap
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 cac hop tap, nghien thu cong hoc nganh cong hoc xa hoi ((va nhan) or (va phap)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac hop tap, nghien thu cong hoc nganh cong hoc xa hoi ((va nhan) OR (va phap)) van.
• Adding a wildcard symbol may retrieve word variants: tu cac hop tap, nghien thu cong hoc nganh cong hoc xa hoi ((va nhan) or (va phap)) van*.