Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
luc nhanh » luc nhan, luc nganh, luc canh
chong hoc » chung hoc, chong doc, thong hoc
mach hoc » cach hoc, dich hoc, anh hoc
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
gian dan » gian lang
tu mach » tu cach, tu manh, tu hach
ma hoi » mai hoi, xa hoi, me hoi
hoa » khoa

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 tap, nghien cuu dong luc nhanh chong hoc ((ma hoi) OR (ma hoa)) dan gian dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu mach hoc tap, nghien cuu dong luc nhanh chong hoc ((ma hoi) OR (ma hoa)) dan gian dan".
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien cuu dong luc nhanh chong hoc ((ma hoi) OR (ma hoa)) dan gian dan*.