Perhaps you should try some spelling variations:
nghiep thuc » nghiem thuc, nghiem thuoc, nghe thuc
doanh khoa » toan khoa
cach thuc » anh thuc, cac thu
thuc thai » thuc pham, toc thai, thuc thuc
thuc cong » thuoc cong, thu cong, chuc cong
hoc doanh » hoa doanh, hoc danh, hoc dan
cong hoc » dong hoc, cong hoa, cong coc
khoa hoc » hoa hoc
nhan dan » phan dau, nhan tai
gian dan » gian lang
tu cach » tu cac
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: tu cach thuc thai, nghiep thuc cong hoc doanh khoa hoc ma hoi va ((nhan dan) or (gian dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thuc thai, nghiep thuc cong hoc doanh khoa hoc ma hoi va ((nhan dan) OR (gian dan)).
• Adding a wildcard symbol may retrieve word variants: tu cach thuc thai, nghiep thuc cong hoc doanh khoa hoc ma hoi va ((nhan dan) or (gian dan))*.