Perhaps you should try some spelling variations:
nhanh thong » nhanh chong, nhanh thang, nhan thong
hoc nhanh » hoc nganh, hoc phan
mach hoc » cach hoc, dich hoc, anh hoc
phan dan » phan dang, phan dau, nhan dan
tu mach » tu cach, tu manh, tu hach
va phan » van phan, va phat, va phap
mo hoc » mon hoc, co hoc
ha xa » he xa, va xa, ha pa

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 mo hoc nhanh thong ((ha xa) OR (hoa xa)) hoi va phan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu mach hoc tap, nghien cuu mo hoc nhanh thong ((ha xa) OR (hoa xa)) hoi va phan dan".
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien cuu mo hoc nhanh thong ((ha xa) OR (hoa xa)) hoi va phan dan*.