Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
truong cao » truong dai
truong cua » truong ca, truong quan, huong cua
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 ((truong cao) or (truong cua)) nhung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((truong cao) OR (truong cua)) nhung cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((truong cao) or (truong cua)) nhung cong dan toan cao*.