Perhaps you should try some spelling variations:
nhanh khoa » nhan khoa, nganh khoa, hang khoa
hoc nhanh » hoc nganh, hoc phan
tuan pham » thanh pham, san pham, tac pham
cuu long » cuu cong, cuu tong, cuu nang
long hoc » dong hoc, long soc, long thuoc
khoa hoc » hoa hoc
hai tuan » khai tuan, hai quan, hai tan
so sach » so sanh, bo sach, co sach
hoi tap » hoc tap, hoi tai, hai tap
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: so sach ((hoi tap) or (hoi dap)), nghien cuu long hoc nhanh khoa hoc xa hai tuan pham van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((hoi tap) OR (hoi dap)), nghien cuu long hoc nhanh khoa hoc xa hai tuan pham van.
• Adding a wildcard symbol may retrieve word variants: so sach ((hoi tap) or (hoi dap)), nghien cuu long hoc nhanh khoa hoc xa hai tuan pham van*.