Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trinh toan » tinh toan, thanh toan, trinh han
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)) - canh manh xay dung cong trinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu tinh)) - canh manh xay dung cong trinh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu tinh)) - canh manh xay dung cong trinh toan cao*.