Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh xay » trinh xay, manh xay, nganh xay
trong xay » thong xay, trong cac, trong ca
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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 - canh ((tranh xay) or (trong xay)) dung cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh ((tranh xay) OR (trong xay)) dung cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh ((tranh xay) or (trong xay)) dung cong dan phan cau*.