Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
ho chieu » theo chieu, hoc thieu, doi chieu
qua cong » cua cong, qua song, va cong
cong san » cong tac
san chay » san pham, van chat, dan chan
chay cau » chay cao, chay chua, cay ca
cao cho » cap cho, cao chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (cao cho)) xanh - hanh trinh ((qua cong) or (su dung)) cong san chay cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (cao cho)) xanh - hanh trinh ((qua cong) OR (su dung)) cong san chay cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (cao cho)) xanh - hanh trinh ((qua cong) or (su dung)) cong san chay cau*.