Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
trung tay » trung tam, trung gay, trung tai
hang cong » dang cong, hang nong, bang cong
tay hang » ty hang, tay lang, tay tang
dan chan » dan gian, dan ca, van chat
ban than » ban thanh, van thanh, ban hang

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 sang) OR (hieu lang)) - thanh trung tay hang cong ((dan chan) or (ban than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - thanh trung tay hang cong ((dan chan) OR (ban than)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (hieu lang)) - thanh trung tay hang cong ((dan chan) or (ban than)) cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (hieu lang)) - thanh trung tay hang cong ((dan chan) or (ban than)) cao*.