Perhaps you should try some spelling variations:
hanh trinh » canh tranh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hang cong » dang cong, hang nong, bang cong
chu hang » chu han, thu hang, cho hang
cong san » cong tac
san toan » van toan, dan toan, manh toan
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 tieu xanh - ((hanh trinh) OR (hanh chinh)) chu hang cong san toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh trinh) OR (hanh chinh)) chu hang cong san toan cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh trinh) OR (hanh chinh)) chu hang cong san toan cao*.