Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
tranh tran » thanh tran, tranh toan, tranh tren
trong dang » truong dang, trong dan, trong dung
trong dong » trong cong, trong nong, trong dung
hoc thieu » toc thieu, hoc hien
tran quan » tran quang, tran xuan, tran tuan
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 - canh tranh tran quan ((trong dang) OR (trong dong)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh tran quan ((trong dang) OR (trong dong)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh tran quan ((trong dang) OR (trong dong)) toan cao*.