Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
cac nhan » ca nhan, cac nha, cam nhan
thuoc va » thuc va, thuoc ma, thuong va
sach hoi » sach doi, sach moi, cach thoi
te sach » toc sach
hoi cac » hoc cac, voi cac, hoa cac
nhan va » nhan tai, nhan dan, nhan tao
mon hoc » toan hoc, dong hoc
cuu mon » cuu mo, cuu mot, cuu cong
hoi tap » hoi dap, hoc tap, hoi tai
va hoi » xa hoi, va hoc, va hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach hoi tap, nghien cuu mon hoc ((nganh nong) or (nganh cong)) thuoc va hoi cac nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoi tap, nghien cuu mon hoc ((nganh nong) OR (nganh cong)) thuoc va hoi cac nhan va.
• Adding a wildcard symbol may retrieve word variants: te sach hoi tap, nghien cuu mon hoc ((nganh nong) or (nganh cong)) thuoc va hoi cac nhan va*.