Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
hoc nhanh » hoc nganh, hoc phan
dich hoc » sinh hoc, hinh hoc, tinh hoc
tu dich » te dich, chu dich, hut dich
san tai » sang tai, van tai, han tai
mo hoc » mon hoc, co hoc
ma hoi » mai hoi, xa hoi, me hoi

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 tap, nghien cuu mo hoc nhanh dong co ((ma hoi) OR (ma hoa)) thanh san tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dich hoc tap, nghien cuu mo hoc nhanh dong co ((ma hoi) OR (ma hoa)) thanh san tai".
• Adding a wildcard symbol may retrieve word variants: tu dich hoc tap, nghien cuu mo hoc nhanh dong co ((ma hoi) OR (ma hoa)) thanh san tai*.