Perhaps you should try some spelling variations:
chung cong » nhung cong, chong cong, chung thong
hanh trinh » canh tranh
phung cong » nhung cong, phong cong, nhung chong
lieu tinh » trieu tinh, diep tinh, bien tinh
san than » sang than, san thanh, ban than
than ban » thanh ban, toan ban, than man
ho lieu » so lieu, co lieu, ho kieu

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