Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
van cong » van dong, van phong, phan cong
cong san » cong tac
chay cau » chay chua, cay ca, phan cau
chay cao » cay cao, chat cao, nha cao
ho lieu » so lieu, co lieu, ho kieu
cua van » cua ban, cua vat, cua dan

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 - ((thanh tung) or (thanh cong)) cua van cong san ((chay cau) OR (chay cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - ((thanh tung) OR (thanh cong)) cua van cong san ((chay cau) OR (chay cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - ((thanh tung) or (thanh cong)) cua van cong san ((chay cau) OR (chay cao))".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - ((thanh tung) or (thanh cong)) cua van cong san ((chay cau) OR (chay cao))*.