Perhaps you should try some spelling variations:
hoc nhanh » hoc nganh, hoc phan
nhanh hoa » nhanh hoan, thanh hoa, khanh hoa
sach hoi » sach doi, sach moi, cach thoi
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
cac nhan » cac nha, cam nhan, dac nhan
vu sach » vu bach, su sach, vu khach
hoi tap » hoi dap, hoc tap, hoi tai
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach hoi tap, nghien cuu dong hoc nhanh hoa hoc xa hoi ((cac nhan) or (ca nhan)) dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach hoi tap, nghien cuu dong hoc nhanh hoa hoc xa hoi ((cac nhan) OR (ca nhan)) dan.
• Adding a wildcard symbol may retrieve word variants: vu sach hoi tap, nghien cuu dong hoc nhanh hoa hoc xa hoi ((cac nhan) or (ca nhan)) dan*.