Perhaps you should try some spelling variations:
nhanh khong » nhanh chong, nganh khong, nhan khong
khong hoc » khung hoc, thong hoc, khong thuoc
mach hoc » dich hoc, anh hoc, bac hoc
cach hoc » cach thuc, cach thoi, dich hoc
cuu long » cuu cong, cuu tong, cuu nang
co nhanh » co thanh, co hanh, co phanh
nhan tai » hang tai, van tai, toan tai
long co » dong co, cong co, lang co
va nhan » van nhan, ca nhan, va phan
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 ((mach hoc) OR (cach hoc)) tap, nghien cuu long co nhanh khong hoc xa hoi va nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((mach hoc) OR (cach hoc)) tap, nghien cuu long co nhanh khong hoc xa hoi va nhan tai".
• Adding a wildcard symbol may retrieve word variants: tu ((mach hoc) OR (cach hoc)) tap, nghien cuu long co nhanh khong hoc xa hoi va nhan tai*.