Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
coc nganh » hoc nganh, cac nganh, chuc nganh
nganh hoa » thanh hoa, khanh hoa, danh hoa
dich hoc » hinh hoc, tinh hoc, kinh hoc
cong coc » cong cuoc, cong cac, cong co
cac nhan » ca nhan, cac nha, cam nhan
hoi cac » hoc cac, voi cac, hoa cac
nhan va » nhan tai, nhan dan, nhan tao
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: te ((dich hoc) OR (sinh hoc)) tap, nghien thu cong coc nganh hoa hoc xa hoi cac nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((dich hoc) OR (sinh hoc)) tap, nghien thu cong coc nganh hoa hoc xa hoi cac nhan va".
• Adding a wildcard symbol may retrieve word variants: te ((dich hoc) OR (sinh hoc)) tap, nghien thu cong coc nganh hoa hoc xa hoi cac nhan va*.