Perhaps you should try some spelling variations:
hoc nhanh » hoc phan
nhan dan » phan dau, gian dan, nhan tai
khoa hoc » hoa hoc
van nhan » van phan, van thanh, danh nhan
cuu dong » cuu cong, cuu tong, cuu long
sach doi » sach hoi, sach moi, sach dao
hai van » thai van, ha van, hai tan
su sach » so sach, vu sach
doi tai » hoi tai, dai tai, doi tac
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: su sach doi tai, nghien cuu dong ((hoc nganh) or (hoc nhanh)) khoa hoc xa hai van nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach doi tai, nghien cuu dong ((hoc nganh) OR (hoc nhanh)) khoa hoc xa hai van nhan dan.
• Adding a wildcard symbol may retrieve word variants: su sach doi tai, nghien cuu dong ((hoc nganh) or (hoc nhanh)) khoa hoc xa hai van nhan dan*.