Perhaps you should try some spelling variations:
nghiep thuc » nghiem thuc, nghiem thuoc, nghe thuc
cach thuc » anh thuc, cac thu
thuc cong » thuoc cong, thu cong, chuc cong
thuc tap » tuc tap, thuc thai, thuc vat
cong hoa » dong hoa, dong hoc, hang hoa
tan khoa » toan khoa, tran khoa, san khoa
khoa hoc » hoa hoc
nhan dan » phan dau, nhan tai
gian dan » gian lang
tu cach » tu cac
hoa tan » hoa dan, hoa van, hoa tin
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 tap, nghiep thuc cong hoa tan 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 tap, nghiep thuc cong hoa tan khoa hoc ma hoi va ((nhan dan) OR (gian dan)).
• Adding a wildcard symbol may retrieve word variants: tu cach thuc tap, nghiep thuc cong hoa tan khoa hoc ma hoi va ((nhan dan) or (gian dan))*.