Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
cong thuoc » cong thuc, dong thuoc, long thuoc
sach duoc » sach nuoc, sach dao, sach dung
hoc nganh » hoc nhanh
cach hoc » cach thuc, cach thoi, dich hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
thuoc xa » thuoc ma, thuoc va, thuoc la
cua phan » cua nhan, cua phap, cua han
phan van » pham van, thanh van, luan van
hoi cua » hoi chuc

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

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