Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
nganh khong » nganh cong, nhanh chong, nganh nong
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
hoc nganh » hoc nhanh
ban thanh » ban hanh, ban hang
thanh van » thanh san, thanh toan, thanh phan
mach hoc » cach hoc, dich hoc, anh hoc
cong hoc » dong hoc, cong hoa, cong coc
thuoc xa » thuoc ma, thuoc va, thuoc la
hoi ban » hoi dan, hoi bai, doi ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: (tim or time) mach hoc tap, nghien thu cong hoc nganh khong thuoc xa hoi ban thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (tim OR time) mach hoc tap, nghien thu cong hoc nganh khong thuoc xa hoi ban thanh van.
• Adding a wildcard symbol may retrieve word variants: (tim or time) mach hoc tap, nghien thu cong hoc nganh khong thuoc xa hoi ban thanh van*.