Perhaps you should try some spelling variations:
lanh tranh » canh tranh, lan tranh, hanh trinh
chieu sang » chieu sach, chieu xanh, nhieu tang
cam thuong » tam thuong, ca thuong, cam truong
dong doanh » dung doanh, trong doanh, doanh doanh
hieu lang » hieu quang, nhieu tang, hieu van
tranh cam » trinh cam, tranh cac, tranh cai
dung dan » dung dat, dung san, tung dan
thanh tu » hanh tu, nhanh tu, thanh tung

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) or (hieu lang)) - lanh tranh cam thuong ((dong doanh) or (dung dan)) thanh tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (hieu lang)) - lanh tranh cam thuong ((dong doanh) OR (dung dan)) thanh tu.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (hieu lang)) - lanh tranh cam thuong ((dong doanh) or (dung dan)) thanh tu*.