Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
cong thuoc » cong thuc, dong thuoc, long thuoc
hoach hoi » hoc hoi, hoach ha, sach hoi
hoc nganh » hoc nhanh
cach noi » cach thoi, hanh noi, anh noi
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
thuoc xa » thuoc ma, thuoc va, thuoc la
van phan » van phong, van thanh, luan phan
phan van » pham van, thanh van, luan van
hoi van » hoi va, hoi dan, hai van

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((hoach hoi) or (cach noi)) dap, nghien cuu dong hoc nganh cong thuoc xa hoi van phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((hoach hoi) OR (cach noi)) dap, nghien cuu dong hoc nganh cong thuoc xa hoi van phan van.
• Adding a wildcard symbol may retrieve word variants: te ((hoach hoi) or (cach noi)) dap, nghien cuu dong hoc nganh cong thuoc xa hoi van phan van*.