Perhaps you should try some spelling variations:
nhanh song » nhanh dong, nhanh chong, phan song
hoc nhanh » hoc nganh, hoc phan
danh nhan » doanh nhan, thanh nhan, benh nhan
dich hoc » hinh hoc, tinh hoc, kinh hoc
hoi danh » hop danh, hoi dan, hoc danh
nhan tai » hang tai, van tai, toan tai
song ho » dong ho, song vo, cong ho
mo hoc » mon hoc, co hoc
ma hoi » mai hoi, xa hoi, ma hoa
ho ma » hoc ma, co ma, ho ba

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

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