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
san chay » san pham, van chat, dan chan
chay cau » chay cao, chay chua, cay ca
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~.
• 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.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - ((thanh tung) or (thanh cong)) cua van cong san chay cau*.