Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
cong thuoc » cong thuc, dong thuoc, long thuoc
hoc nganh » hoc nhanh
thuoc xa » thuoc ma, thuoc va, thuoc la
gian dan » gian lang
anh tuc » anh thuc, anh tu, anh duc
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hai tan » hai van, hai quan
hoi dan » hoa dan, hoc dan, hoi dap
tu anh » tu hanh, tu manh, thu anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu anh tuc tap, nghien cuu mon hoc nganh cong thuoc xa ((hai tan) or (hoi dan)) gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu anh tuc tap, nghien cuu mon hoc nganh cong thuoc xa ((hai tan) OR (hoi dan)) gian dan.
• Adding a wildcard symbol may retrieve word variants: tu anh tuc tap, nghien cuu mon hoc nganh cong thuoc xa ((hai tan) or (hoi dan)) gian dan*.