Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
cuoc nganh » hoc nganh, cac nganh, chuc nganh
cong cuoc » song cuoc, trong cuoc, luong cuoc
thanh van » thanh san, thanh toan, thanh phan
sach hoi » sach doi, sach moi, cach thoi
nong hoc » dong hoc, nang hoc, nong thon
nang doc » nang luc
ca thanh » cua thanh, cac thanh, va thanh
tu sach » thu sach, su sach, te sach
hoi tap » hoi dap, hoc tap, hoi tai
hoi ca » hoi cua, hoi cac, hoi cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoi tap, nghien thu cong cuoc nganh ((nong hoc) OR (nang doc)) xa hoi ca thanh van~.
• Adding a wildcard symbol may retrieve word variants: tu sach hoi tap, nghien thu cong cuoc nganh ((nong hoc) or (nang doc)) xa hoi ca thanh van*.