Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
dan cong » dang cong, van cong, dan dong
cong san » cong tac
ho lieu » so lieu, co lieu, ho kieu
cua dan » cua dang, cua ban, ca dan
can cau » van cau, ca cau, cac cau
ban cau » bang cau, ban can, van cau

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