Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
hoc nhanh » hoc nganh, hoc phan
chong hoc » chung hoc, chong doc, thong hoc
sach hoc » cach hoc, sach hoi, mach hoc
dan nhan » danh nhan, dan chan, ban nhan
van nhan » van phan, van thanh, danh nhan
tu sach » thu sach, su sach, te sach
mo hoc » mon hoc, co hoc
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach hoc tap, nghien cuu mo hoc nhanh chong hoc xa hoi ((dan nhan) OR (van nhan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoc tap, nghien cuu mo hoc nhanh chong hoc xa hoi ((dan nhan) OR (van nhan)) van".
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu mo hoc nhanh chong hoc xa hoi ((dan nhan) OR (van nhan)) van*.