Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
truong va » truong cao, truong dao, luong va
dung cong » dung trong
trung va » trang va, trung ha, trung tam
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh ((trung va) or (((truong va) OR (truong dai)))) dung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((trung va) OR (((truong va) OR (truong dai)))) dung cong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((trung va) or (((truong va) OR (truong dai)))) dung cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trung va) or (((truong va) OR (truong dai)))) dung cong dan than cau*.