Perhaps you should try some spelling variations:
nganh chung » nhanh chuong, nganh cong, nhanh chong
nghiem thuc » nghiem thuoc, nghiep thuc, nhiem thuc
thanh phan » thanh pho, thanh san, thanh toan
thuc cong » thuoc cong, thu cong, chuc cong
hoc nganh » hoc nhanh
chung hoc » trung hoc, dung hoc, hung hoa
bai thanh » ban thanh, tai thanh, mai thanh
mach hoc » cach hoc, dich hoc, anh hoc
cong hoc » dong hoc, cong hoa, cong coc
hoi bai » hoc bai, hoi tai, khoi bay
ma hoi » mai hoi, xa hoi, ma hoa

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, nghiem thuc cong hoc nganh chung hoc ma hoi bai thanh phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (tim OR time) mach hoc tap, nghiem thuc cong hoc nganh chung hoc ma hoi bai thanh phan.
• Adding a wildcard symbol may retrieve word variants: (tim or time) mach hoc tap, nghiem thuc cong hoc nganh chung hoc ma hoi bai thanh phan*.