Perhaps you should try some spelling variations:
quang truong » quang trung, duong truong, tang truong
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sang » chieu sach, chieu xanh, nhieu tang
tranh tran » thanh tran, tranh toan, tranh tren
truong dan » truong dang, truong danh, truong dai
hieu lang » hieu quang, nhieu tang, hieu van
dan thanh » dang thanh, danh thanh, ban thanh
thanh lap » thanh san, phan lap, thanh hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (((chieu sang) OR (hieu lang)))) - canh tranh tran quang truong dan thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (((chieu sang) OR (hieu lang)))) - canh tranh tran quang truong dan thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (((chieu sang) OR (hieu lang)))) - canh tranh tran quang truong dan thanh lap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (((chieu sang) OR (hieu lang)))) - canh tranh tran quang truong dan thanh lap*.