Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
chieu sang » chieu sach, chieu xanh, nhieu tang
canh trang » canh tranh, hanh trang, banh trang
nhung cong » dung cong, thong cong, hang cong
hieu lang » nhieu tang, hieu van, biet lang
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan
dan cho » danh cho, san cho, dac cho
cho cua » co cua, chi cua, cho ca

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((((hieu lang) OR (hieu quang))) or (chieu sang)) - canh trang va nhung cong dan cho cua~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((((hieu lang) OR (hieu quang))) OR (chieu sang)) - canh trang va nhung cong dan cho cua.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((((hieu lang) OR (hieu quang))) or (chieu sang)) - canh trang va nhung cong dan cho cua".
• Adding a wildcard symbol may retrieve word variants: doi ((((hieu lang) OR (hieu quang))) or (chieu sang)) - canh trang va nhung cong dan cho cua*.