Perhaps you should try some spelling variations:
nghiep cao » nghiep bao, nghiep cay, nghiep can
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
van thanh » ban thanh, van tuan
mach hoc » cach hoc, dich hoc, anh hoc
cao dong » cao dang, lao dong, cao cong
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
van phan » van phong, luan phan, van ban
su mach » su sach
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su mach hoc tap, nghiep cao dong hoc nganh khoa hoc xa hai ((van phan) OR (van thanh)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su mach hoc tap, nghiep cao dong hoc nganh khoa hoc xa hai ((van phan) OR (van thanh)) van".
• Adding a wildcard symbol may retrieve word variants: su mach hoc tap, nghiep cao dong hoc nganh khoa hoc xa hai ((van phan) OR (van thanh)) van*.