Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
hanh manh » hanh mang, lanh manh, hoang manh
cua khong » hua khong, cua phuong, cua thuong
thanh tap » thanh lap, thanh tai, thanh tay
cang van » tang van, lang van, can van
dang van » hoang van, hang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - ((hanh manh) or (hanh trinh)) cua khong ((cang van) OR (dang van)) thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((hanh manh) OR (hanh trinh)) cua khong ((cang van) OR (dang van)) thanh tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((hanh manh) or (hanh trinh)) cua khong ((cang van) OR (dang van)) thanh tap".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((hanh manh) or (hanh trinh)) cua khong ((cang van) OR (dang van)) thanh tap*.