Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
hieu xanh » chieu xanh, hieu manh, hieu nganh
hoc nhung » hon nhung, nuoc nhung, hoc ung
hoa nhung » hon nhung, va nhung, cua nhung
doc hieu » toc thieu, hoc thieu, hoc hien
ha nhung » hay nhung, pha nhung, va nhung
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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 - thanh dung ((ha nhung) or (((hoc nhung) or (hoa nhung)))) cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - thanh dung ((ha nhung) OR (((hoc nhung) OR (hoa nhung)))) cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - thanh dung ((ha nhung) or (((hoc nhung) or (hoa nhung)))) cong dan van ban*.