Perhaps you should try some spelling variations:
duong truong » duong trong, truong trung, tang truong
chieu sang » chieu sach, chieu xanh, nhieu tang
truong tam » trung tam, truong tai, truong ham
hieu lang » hieu quang, nhieu tang, hieu van
tam thanh » tam than, nam thanh, am thanh
thanh ban » thanh san, thanh van, thanh bac
tra tuan » tran tuan, tra quan, ta tuan
tri tuan » tri quan, tran tuan, tri tue

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 ((tra tuan) OR (tri tuan)) duong truong tam thanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - thanh ((tra tuan) OR (tri tuan)) duong truong tam thanh ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (hieu lang)) - thanh ((tra tuan) OR (tri tuan)) duong truong tam thanh ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - thanh ((tra tuan) OR (tri tuan)) duong truong tam thanh ban*.