Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
hoc nhanh » hoc nganh, hoc phan
dong hoc » dong co, dong luc
van nhan » van phan, van thanh, danh nhan
nhan dan » phan dau, gian dan, nhan tai
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
moi tap » moi tai, toi tap
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoi van » hoi va, hoi dan, hai van
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: ((tu sach) or (su sach)) moi tap, nghien cuu mot hoc nhanh dong hoc xa hoi van nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) moi tap, nghien cuu mot hoc nhanh dong hoc xa hoi van nhan dan.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) moi tap, nghien cuu mot hoc nhanh dong hoc xa hoi van nhan dan*.