Perhaps you should try some spelling variations:
nhanh chuong » nhanh chong, thanh chuong, thanh huong
nghien cua » nghien cuu, nghiep cua, nghiep vua
chuong hoc » chung hoc, thuong hoc, truong hoc
cach thoi » cach thuc, cach noi
hoc nhanh » hoc nganh, hoc phan
cac thoi » cac toi, cac hop, cac tro
cong hoc » dong hoc, cong hoa, cong coc
dan nhan » danh nhan, dan chan, van nhan
hoi dan » hoa dan, hoc dan, hoi dap
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: tu ((cach thoi) OR (cac thoi)) tap, nghien cua cong hoc nhanh chuong hoc ma hoi dan nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((cach thoi) OR (cac thoi)) tap, nghien cua cong hoc nhanh chuong hoc ma hoi dan nhan va".
• Adding a wildcard symbol may retrieve word variants: tu ((cach thoi) OR (cac thoi)) tap, nghien cua cong hoc nhanh chuong hoc ma hoi dan nhan va*.