Perhaps you should try some spelling variations:
nghiem thuc » nghiem thuoc, nghiep thuc, nhiem thuc
thuat mach » thuat sach, thuat tach, thuyet mach
thuc dong » thuoc dong, thuc dung, phuc dong
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
mach hoc » cach hoc, dich hoc, anh hoc
dong hoc » dong co, dong luc
hoi dan » hoa dan, hoc dan, thoi dai
cac van » cac dan
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: thuat mach hoc tap, nghiem thuc dong hoc nganh hoa hoc xa ((hoi dan) or (hoi dap)) cac van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat mach hoc tap, nghiem thuc dong hoc nganh hoa hoc xa ((hoi dan) OR (hoi dap)) cac van.
• Adding a wildcard symbol may retrieve word variants: thuat mach hoc tap, nghiem thuc dong hoc nganh hoa hoc xa ((hoi dan) or (hoi dap)) cac van*.