Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
luan phan » luan van, luan hoan
sach hoi » sach doi, sach moi, cach thoi
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
van nhan » van phan, van thanh, danh nhan
tu sach » thu sach, su sach, te sach
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: tu sach hoi tap, nghien cuu cong hoc nganh hoa hoc xa hoi ((van nhan) or (luan phan)) dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoi tap, nghien cuu cong hoc nganh hoa hoc xa hoi ((van nhan) OR (luan phan)) dan.
• Adding a wildcard symbol may retrieve word variants: tu sach hoi tap, nghien cuu cong hoc nganh hoa hoc xa hoi ((van nhan) or (luan phan)) dan*.