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
trong tac » trong cac, tuong tac, trong tan
dung cong » dung trong
tac dung » sach dung, xay dung, tin dung
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 tac dung cong dan chan cau~.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh trong tac dung cong dan chan cau*.