Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
hoc phan » hoc dan, hoc pho
phan hoa » phan loai, phan phoi, phan hong
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
doi dap » doi dau, do dap, doi dam
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: te sach ((doi dap) OR (hoi dap)), nghien cuu mo hoc phan hoa hoc xa hoi va thanh van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((doi dap) OR (hoi dap)), nghien cuu mo hoc phan hoa hoc xa hoi va thanh van".
• Adding a wildcard symbol may retrieve word variants: te sach ((doi dap) OR (hoi dap)), nghien cuu mo hoc phan hoa hoc xa hoi va thanh van*.