Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
coc nganh » hoc nganh, cac nganh, chuc nganh
khung hoc » chung hoc, nhung hoc, thuong hoc
bai thanh » ban thanh, tai thanh, mai thanh
thanh van » thanh san, thanh toan, thanh phan
mach hoc » cach hoc, dich hoc, bac hoc
cong coc » cong cuoc, cong cac, cong co
anh hoc » sinh hoc, benh hoc, hinh hoc
hoi bai » hoc bai, hoi tai, khoi bay
hoc xa » hoc ma

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((mach hoc) OR (anh hoc)) tap, nghien thu cong coc nganh khung hoc xa hoi bai thanh van~".
• Adding a wildcard symbol may retrieve word variants: te ((mach hoc) OR (anh hoc)) tap, nghien thu cong coc nganh khung hoc xa hoi bai thanh van*.