Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
cong thanh » cong trinh, cong tan, truong thanh
dong thanh » truong thanh
hieu lang » chieu sang, hieu quang, nhieu tang
cua nhung » va nhung
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - ((hanh trang) or (hanh chinh)) cua nhung ((cong thanh) OR (dong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((hanh trang) OR (hanh chinh)) cua nhung ((cong thanh) OR (dong thanh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - ((hanh trang) or (hanh chinh)) cua nhung ((cong thanh) OR (dong thanh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((hanh trang) or (hanh chinh)) cua nhung ((cong thanh) OR (dong thanh)) toan ban*.