Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
va phuong » va thuong, cac phuong
cong sang » cong lang, cong bang, cong tang
cong vang » cong lang, cong quang, cong ngang
quang va » quang van, quan va, quang ma
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac
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 - nhanh quang va phuong ((((cong sang) OR (cong san))) or (cong vang)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - nhanh quang va phuong ((((cong sang) OR (cong san))) OR (cong vang)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - nhanh quang va phuong ((((cong sang) OR (cong san))) or (cong vang)) than cap".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - nhanh quang va phuong ((((cong sang) OR (cong san))) or (cong vang)) than cap*.