Perhaps you should try some spelling variations:
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
hoa doanh » toan doanh, hoa dan
thoi dap » hoi dap, thoi dai, thi dap
cuu cong » cua cong, thu cong, cac cong
khoa hoc » hoa hoc
phan van » pham van, thanh van, luan van
su cach » su sach, tu cach, su cac
va phan » van phan, va phat, va phap
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: su cach thoi dap, nghien cuu cong ((hoc nganh) or (hoa doanh)) khoa hoc xa hoi va phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach thoi dap, nghien cuu cong ((hoc nganh) OR (hoa doanh)) khoa hoc xa hoi va phan van.
• Adding a wildcard symbol may retrieve word variants: su cach thoi dap, nghien cuu cong ((hoc nganh) or (hoa doanh)) khoa hoc xa hoi va phan van*.