Perhaps you should try some spelling variations:
nghiem thuc » nghiem thuoc, nghiep thuc, nhiem thuc
thuc cong » thuoc cong, thu cong, chuc cong
cac nganh » hoc nganh
nganh hoa » thanh hoa, khanh hoa, danh hoa
tinh hoc » sinh hoc, tin hoc, hinh hoc
cong cac » cuong cac, cong tac, cong cau
nhan dan » phan dau, gian dan, nhan tai
tu tinh » tru tinh, tu tin, thue tinh
hoi cac » hoc cac, voi cac, hoa cac
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 tinh hoc tap, nghiem thuc cong cac nganh hoa hoc xa ((hoi cac) or (loi cach)) nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu tinh hoc tap, nghiem thuc cong cac nganh hoa hoc xa ((hoi cac) OR (loi cach)) nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu tinh hoc tap, nghiem thuc cong cac nganh hoa hoc xa ((hoi cac) or (loi cach)) nhan dan*.