Perhaps you should try some spelling variations:
nhanh khong » nhanh chong, nganh khong, nhan khong
hoc nhanh » hoc nganh, hoc phan
khong hoc » khung hoc, thong hoc, khong thuoc
sach moi » sach doi, sach hoi, bach mai
va gianh » va gian, van giang, va thanh
te sach » toc sach
moi tap » moi tai, toi tap
mo hoc » mon hoc, co hoc
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: te sach moi tap, nghien cuu mo hoc nhanh khong hoc ma hoi ((va gianh) OR (va giai)) dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach moi tap, nghien cuu mo hoc nhanh khong hoc ma hoi ((va gianh) OR (va giai)) dan".
• Adding a wildcard symbol may retrieve word variants: te sach moi tap, nghien cuu mo hoc nhanh khong hoc ma hoi ((va gianh) OR (va giai)) dan*.