Perhaps you should try some spelling variations:
hanh trinh » canh tranh
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong san » cong tac
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - ((hanh trinh) OR (hanh chinh)) quan dung cong san ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((hanh trinh) OR (hanh chinh)) quan dung cong san ((toan tai) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - ((hanh trinh) OR (hanh chinh)) quan dung cong san ((toan tai) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hanh trinh) OR (hanh chinh)) quan dung cong san ((toan tai) or (toan cao))*.