Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
cong ngang » cong nhan, cong lang, cong nong
cong quang » luong quang, thong quang, duong quang
hieu lang » hieu quang, nhieu tang, hieu van
trung ha » trung hoc, trung tam, trung cap
ha nhung » hoa nhung, hay nhung, pha nhung
khang cu » khung cua, thang cua, chung cu

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