Perhaps you should try some spelling variations:
nhanh thuong » khanh thuong, nhanh chuong, thanh thuong
thuong hoc » truong hoc, tuong hoc, thuong ho
sach hoc » sach hoi, mach hoc, sach duoc
cach hoc » cach thuc, cach thoi, dich hoc
cuu dong » cuu cong, cuu tong, cuu long
co nhanh » co thanh, co hanh, co phanh
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach hoc) OR (cach hoc)) tap, nghien cuu dong co nhanh thuong hoc ma hoi va nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach hoc) OR (cach hoc)) tap, nghien cuu dong co nhanh thuong hoc ma hoi va nhan va".
• Adding a wildcard symbol may retrieve word variants: te ((sach hoc) OR (cach hoc)) tap, nghien cuu dong co nhanh thuong hoc ma hoi va nhan va*.