Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sang, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » hieu nganh, dieu hanh, hien hanh
trung vat » trung va, trung van, trong vat
trong dan » trong dang, trong san, trong tan
vat dung » van dung, va dung, viet dung
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

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