Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
quan trong » gian trong
trong van » trong cac
qua dung » quang dung, su dung, qua cong
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) OR (chieu xanh)) - quan trong ((qua dung) or (qua song)) trong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - quan trong ((qua dung) OR (qua song)) trong van tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu xanh)) - quan trong ((qua dung) or (qua song)) trong van tuan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (chieu xanh)) - quan trong ((qua dung) or (qua song)) trong van tuan ban*.