Perhaps you should try some spelling variations:
chieu lang » chieu sang, hieu lang, chi lang
hanh trinh » hanh chinh
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cua hang » cua dang, cua nhung, cua cong
cong san » cong tac
tan ban » toan ban, tang ban, can ban

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 lang - ((hanh trinh) or (canh tranh)) cua hang cong san ((tan ban) OR (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu lang - ((hanh trinh) OR (canh tranh)) cua hang cong san ((tan ban) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu lang - ((hanh trinh) or (canh tranh)) cua hang cong san ((tan ban) OR (van ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu lang - ((hanh trinh) or (canh tranh)) cua hang cong san ((tan ban) OR (van ban))*.