Perhaps you should try some spelling variations:
nghiep thuc » nghiem thuc, nghiem thuoc, nghe thuc
nganh cong » nhanh chong, thanh cong
doanh phan » doanh nhan, doan phan, doanh thanh
thuc dong » thuoc dong, thuc dung, phuc dong
hoc nganh » hoc nhanh
hoi doanh » hoa doanh, voi doanh, doi doanh
sach hoc » cach hoc, sach hoi, sach duoc
mach hoc » cach hoc, dich hoc, anh hoc
dong hoc » dong co, dong luc
cong hoc » cong hoa, cong coc, cong ho
phan van » pham van, thanh van, luan van
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 ((sach hoc) OR (mach hoc)) tap, nghiep thuc dong hoc nganh cong hoc ma hoi doanh phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach hoc) OR (mach hoc)) tap, nghiep thuc dong hoc nganh cong hoc ma hoi doanh phan van".
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoc) OR (mach hoc)) tap, nghiep thuc dong hoc nganh cong hoc ma hoi doanh phan van*.