Perhaps you should try some spelling variations:
nganh dong » nganh cong, nhanh dong, nganh nong
hoc nganh » hoc nhanh
danh nhan » thanh nhan, benh nhan, dung nhan
mach hoc » cach hoc, dich hoc, anh hoc
dong hoc » dong co, dong luc
te mach » ke mach, te sach, tim mach
mo hoc » mon hoc, co hoc
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: te mach hoc tap, nghien cuu mo hoc nganh dong hoc xa hoi ((danh nhan) OR (doanh nhan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te mach hoc tap, nghien cuu mo hoc nganh dong hoc xa hoi ((danh nhan) OR (doanh nhan)) van".
• Adding a wildcard symbol may retrieve word variants: te mach hoc tap, nghien cuu mo hoc nganh dong hoc xa hoi ((danh nhan) OR (doanh nhan)) van*.