Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
thang cua » thong cua, hang cua, than cua
tang luan » dung luan
thong tu » phong tuc, thong tin, thong ke
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - hanh ((thang cua) or (((thong tu) or (tang luan)))) nhung cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh ((thang cua) OR (((thong tu) OR (tang luan)))) nhung cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh ((thang cua) or (((thong tu) or (tang luan)))) nhung cong dan toan tap*.