Perhaps you should try some spelling variations:
nhanh thong » nhanh chong, nhanh thang, nhan thong
hoc nhanh » hoc nganh, hoc phan
sach hoc » sach hoi, mach hoc, sach duoc
cach hoc » cach thuc, cach thoi, dich hoc
thong ha » hong ha, thong va, thong phan
nhan tai » hang tai, van tai, toan tai
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
va nhan » van nhan, ca nhan, va phan
ha xa » hoa xa, he xa, va xa

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 hoc) OR (cach hoc)) tap, nghien cuu mot hoc nhanh thong ha xa hoi va nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach hoc) OR (cach hoc)) tap, nghien cuu mot hoc nhanh thong ha xa hoi va nhan tai".
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoc) OR (cach hoc)) tap, nghien cuu mot hoc nhanh thong ha xa hoi va nhan tai*.