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
hinh hoc » sinh hoc, tin hoc, benh hoc
cong cac » cuong cac, cong tac, cong cau
gian dan » gian lang
tu hinh » tu minh, tu hanh, su hinh
hoi cac » hoc cac, voi cac, hoi bac
hoa cac » hoa chat, chon 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 hinh hoc tap, nghiem thuc cong cac nganh hoa hoc xa ((hoi cac) or (hoa cac)) gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu hinh hoc tap, nghiem thuc cong cac nganh hoa hoc xa ((hoi cac) OR (hoa cac)) gian dan.
• Adding a wildcard symbol may retrieve word variants: tu hinh hoc tap, nghiem thuc cong cac nganh hoa hoc xa ((hoi cac) or (hoa cac)) gian dan*.