Perhaps you should try some spelling variations:
nhanh khoa » nhan khoa, nganh khoa, hang khoa
hoc nhanh » hoc nganh, hoc phan
van thanh » ban thanh, van tuan
thanh van » thanh san, thanh toan, thanh phan
sach hoc » sach hoi, mach hoc, sach duoc
cach hoc » cach thuc, cach thoi, dich hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
hai van » thai van, ha van, hai tan
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach hoc) OR (cach hoc)) tap, nghien cuu dong hoc nhanh khoa hoc xa hai van thanh van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach hoc) OR (cach hoc)) tap, nghien cuu dong hoc nhanh khoa hoc xa hai van thanh van".
• Adding a wildcard symbol may retrieve word variants: thu ((sach hoc) OR (cach hoc)) tap, nghien cuu dong hoc nhanh khoa hoc xa hai van thanh van*.