Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
cac dung » cach dung, cac duong, tac dung
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: doi chieu xanh - thanh trong cac dung cong dan phan cau~.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh trong cac dung cong dan phan cau*.