Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
dung cong » dung trong
doc hieu » toc thieu, hoc thieu, hoc hien
chinh ta » chinh tai, chinh va, chinh tri
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
ta dung » tac dung, tan dung, tao dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - hanh chinh ta dung cong dan toan cau~.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh chinh ta dung cong dan toan cau*.