Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
tam dich » tap dich, tham dinh, nam dinh
dich hoc » sinh hoc, hinh hoc, tinh hoc
cong hoc » dong hoc, cong hoa, cong coc
nhan dan » phan dau, gian dan, nhan tai
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tam dich hoc tap, nghien thu cong hoc nganh hoa hoc xa ((hoi ca) or (hoi chuc)) nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tam dich hoc tap, nghien thu cong hoc nganh hoa hoc xa ((hoi ca) OR (hoi chuc)) nhan dan.
• Adding a wildcard symbol may retrieve word variants: tam dich hoc tap, nghien thu cong hoc nganh hoa hoc xa ((hoi ca) or (hoi chuc)) nhan dan*.