Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
sach hoi » sach doi, sach moi, cach thoi
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
dap nhan » dap nha, dam nhan, danh nhan
dac nhan » cac nhan, danh nhan, ca 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 nganh hoa hoc xa hoi ((dap nhan) OR (dac nhan)) dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach hoi tap, nghien cuu dong hoc nganh hoa hoc xa hoi ((dap nhan) OR (dac nhan)) dan".
• Adding a wildcard symbol may retrieve word variants: vu sach hoi tap, nghien cuu dong hoc nganh hoa hoc xa hoi ((dap nhan) OR (dac nhan)) dan*.