Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chieu tinh » lieu tinh, chau tinh, kieu tinh
thanh toan » thanh hoa, thanh san, tinh toan
hieu lang » chieu sang, hieu quang, nhieu tang
canh manh » lanh manh, canh tranh, cach mang
dung cong » dung trong
manh xay » nganh xay, van xay, dang xay
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (((chieu tinh) OR (trieu tinh)))) - canh manh xay dung cong thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (((chieu tinh) OR (trieu tinh)))) - canh manh xay dung cong thanh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) or (((chieu tinh) OR (trieu tinh)))) - canh manh xay dung cong thanh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (((chieu tinh) OR (trieu tinh)))) - canh manh xay dung cong thanh toan cao*.