Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
nghiep va » nghiep vu
cach hoc » cach thuc, cach thoi, dich hoc
cong hoa » dong hoc, hang hoa
dong hoa » dong hoc, dong co
khoa hoc » hoa hoc
phan dau » phan tu, hang dau
tu cach » tu cac
va phan » van phan, va phat, va phap
hoc xa » hoc ma

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 va ((cong hoa) OR (dong hoa)) nganh khoa hoc xa hoi va phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach hoc tap, nghiep va ((cong hoa) OR (dong hoa)) nganh khoa hoc xa hoi va phan dau".
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghiep va ((cong hoa) OR (dong hoa)) nganh khoa hoc xa hoi va phan dau*.