Perhaps you should try some spelling variations:
quang trong » quang truong, quang trung, quan trong
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, hanh trinh, minh trang
trong dung » thong dung, trung dung, trong rung
hoc thieu » toc thieu, hoc hien
dung toan » dung doanh, dung thang, dung thanh
toan cao » toan ban, toan tap

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 - ((hanh trang) or (canh tranh)) tran quang trong dung toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh trang) OR (canh tranh)) tran quang trong dung toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh trang) or (canh tranh)) tran quang trong dung toan cao*.