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
toc mach » toc sach, hoc mac, tim mach
mach hoc » cach hoc, dich hoc, anh hoc
khoa hoc » hoa hoc
va phap » va phat

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc mach hoc tap, nghien cuu khoa hoc nhanh chong hoc ma hoa ((va phap) OR (ban phap)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc mach hoc tap, nghien cuu khoa hoc nhanh chong hoc ma hoa ((va phap) OR (ban phap)) van".
• Adding a wildcard symbol may retrieve word variants: toc mach hoc tap, nghien cuu khoa hoc nhanh chong hoc ma hoa ((va phap) OR (ban phap)) van*.