Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
hoc nhanh » hoc nganh, hoc phan
dong hong » dong thong, dong huong, duong hong
danh nhan » doanh nhan, thanh nhan, benh nhan
hach hoc » cach hoc, mach hoc, hoach hoi
nhan tai » hang tai, van tai, toan tai
tu hach » tu hanh, tu cach, tu sach
mat hoi » sat hoi, mat troi, luat hoi
mai hoi » mai khoi, dai hoi, lai hoi
mo hoc » mon hoc, co hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu hach hoc tap, nghien cuu mo hoc nhanh dong hong ((mat hoi) OR (mai hoi)) danh nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu hach hoc tap, nghien cuu mo hoc nhanh dong hong ((mat hoi) OR (mai hoi)) danh nhan tai".
• Adding a wildcard symbol may retrieve word variants: tu hach hoc tap, nghien cuu mo hoc nhanh dong hong ((mat hoi) OR (mai hoi)) danh nhan tai*.