Perhaps you should try some spelling variations:
nghiep thuoc » nghiem thuoc, nghiep thuc, nghiep theo
thuoc cong » truoc cong, thuoc trong, thu cong
doanh khoa » toan khoa
coc doanh » cac doanh, hoa doanh, cho doanh
cach hoc » cach thuc, cach thoi, dich hoc
cong coc » cong cuoc, cong cac, cong co
khoa hoc » hoa hoc
nhan dan » phan dau, nhan tai
gian dan » gian lang
tu cach » tu cac
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghiep thuoc cong coc doanh khoa hoc mai hoi va ((nhan dan) or (gian dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghiep thuoc cong coc doanh khoa hoc mai hoi va ((nhan dan) OR (gian dan)).
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghiep thuoc cong coc doanh khoa hoc mai hoi va ((nhan dan) or (gian dan))*.