Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu xanh » chieu xanh, hieu manh, hieu nganh
doc hieu » toc thieu, hoc thieu, hoc hien
cua hang » cua nhung, cua ban, cua dan
cua dang » cua ban
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cao » chan cho, chat cao, chay cao

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 trinh ((cua hang) or (((cua dang) or (cua cong)))) cong dan chan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh trinh ((cua hang) OR (((cua dang) OR (cua cong)))) cong dan chan cao.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh trinh ((cua hang) or (((cua dang) or (cua cong)))) cong dan chan cao*.