Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
hanh thong » anh thong, hang thong, hinh thong
hanh trong » hanh trang, anh trong, hinh trong
quan trong » gian trong
than cap » khan cap, thanh lap, thanh cac
ty than » ty thanh, te than, tu than

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 (chieu xanh)) - ((hanh thong) OR (hanh trong)) quan trong cong ty than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu xanh)) - ((hanh thong) OR (hanh trong)) quan trong cong ty than cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) or (chieu xanh)) - ((hanh thong) OR (hanh trong)) quan trong cong ty than cap*".