Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
doanh khoa » toan khoa
canh thoi » cach thoi, hanh thoi, anh tho
thu canh » thuc hanh, thu cong, thu ban
thoi dap » hoi dap, thoi dai, thi dap
khoa hoc » hoa hoc
van phan » van phong, van thanh, luan phan
phan dan » phan dang, phan dau, nhan dan
mot hoc » mon hoc, mot goc, bot hoc
hoi van » hoi va, hoi dan, hai van
mo hoc » mon hoc, co hoc
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: thu canh thoi dap, nghien cua ((mot hoc) OR (mo hoc)) doanh khoa hoc xa hoi van phan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu canh thoi dap, nghien cua ((mot hoc) OR (mo hoc)) doanh khoa hoc xa hoi van phan dan".
• Adding a wildcard symbol may retrieve word variants: thu canh thoi dap, nghien cua ((mot hoc) OR (mo hoc)) doanh khoa hoc xa hoi van phan dan*.