Perhaps you should try some spelling variations:
lieu quan » lien quan, hieu qua, lieu van
hanh mang » nhanh mang, hanh trang, nhanh lang
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than ban » thanh ban, toan ban, than man
ho lieu » so lieu, co lieu, ho kieu
mang va » mang vua, hang va, bang va
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu quan - hanh mang va nang ((cong dan) OR (cong san)) than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu quan - hanh mang va nang ((cong dan) OR (cong san)) than ban".
• Adding a wildcard symbol may retrieve word variants: ho lieu quan - hanh mang va nang ((cong dan) OR (cong san)) than ban*.