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
van thanh » ban thanh, van tuan
cach hoc » cach thuc, cach thoi, dich hoc
thuoc va » thuc va, thuoc ma, thuong va
vu cach » va cach, ve cach, vu bach
cuu mot » cuu mo, huu mot, cuu vuot
hai van » thai van, ha van, hai tan
va hai » van hai, va chai, va khai

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu cach hoc tap, nghien ((cuu mot) or (cua mot)) hoc nganh cong thuoc va hai van thanh san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu cach hoc tap, nghien ((cuu mot) OR (cua mot)) hoc nganh cong thuoc va hai van thanh san.
• Adding a wildcard symbol may retrieve word variants: vu cach hoc tap, nghien ((cuu mot) or (cua mot)) hoc nganh cong thuoc va hai van thanh san*.