Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, mot chieu
hat trong » chat trong, nhat trong, vat trong
tung hat » trung nhat, trung phat, dung chat
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan ta » chan tha, nhan tai, nhan tao

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 sang - thanh tung hat trong cong dan chan ta~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh tung hat trong cong dan chan ta*.