Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
minh hoa » minh hoang, trinh hoa, sinh hoat
khoa hoc » hoa hoc
tu minh » thu minh, vu minh, thi minh
hoa tap » khoa tap, hoc tap, hoa tan
va nhan » van nhan, va phan, va nha
mo hoc » mon hoc, co hoc
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 minh hoa tap, nghien cuu mo hoc nganh khoa hoc ma hoi ((va nhan) OR (ca nhan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu minh hoa tap, nghien cuu mo hoc nganh khoa hoc ma hoi ((va nhan) OR (ca nhan)) van".
• Adding a wildcard symbol may retrieve word variants: tu minh hoa tap, nghien cuu mo hoc nganh khoa hoc ma hoi ((va nhan) OR (ca nhan)) van*.