Perhaps you should try some spelling variations:
quang trong » quang truong, quang trung, quan trong
thieu xanh » chieu xanh, hieu manh, thien anh
tranh tran » thanh tran, tranh toan, tranh tren
hoc thieu » toc thieu, hoc hien
dang than » dang thanh, dang tran, dan than
sang than » cang thang, dang thanh, sang tao

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 - canh tranh tran quang trong ((dang than) OR (sang than)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh tran quang trong ((dang than) OR (sang than)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh tran quang trong ((dang than) OR (sang than)) cao*.