Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
chieu sang » chieu sach, chieu xanh, nhieu tang
truong cao » truong dai
hieu lang » hieu quang, nhieu tang, hieu van
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (hieu lang)) - hanh truong cao ((hang cong) or (dang cong)) san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (hieu lang)) - hanh truong cao ((hang cong) OR (dang cong)) san than cap.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (hieu lang)) - hanh truong cao ((hang cong) or (dang cong)) san than cap*.