Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
cach thoi » cach thuc, cach noi
luc nhanh » luc nhan, luc nganh, luc canh
chong hoc » chung hoc, chong doc, thong hoc
cac thoi » cac toi, cac hop, cac tro
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
nhan tai » hang tai, van tai, toan tai
va nhan » van nhan, ca nhan, va phan
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: thu ((cach thoi) OR (cac thoi)) dap, nghien cuu dong luc nhanh chong hoc ma hoi va nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((cach thoi) OR (cac thoi)) dap, nghien cuu dong luc nhanh chong hoc ma hoi va nhan tai".
• Adding a wildcard symbol may retrieve word variants: thu ((cach thoi) OR (cac thoi)) dap, nghien cuu dong luc nhanh chong hoc ma hoi va nhan tai*.