Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
cua nhung » va nhung
sanh dan » canh dan, sach danh, sinh danh
cong tac » cong ty
toan cao » toan ban, toan tap
dan cua » dan ca, ban cua, dai cua

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)) - sanh dan cua nhung ((cong dong) or (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - sanh dan cua nhung ((cong dong) OR (cong tac)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu xanh)) - sanh dan cua nhung ((cong dong) or (cong tac)) toan cao*".