Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
nang quan » ban quan, nang suat
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong dang » cong dong, cong dan, cong dung
anh nang » ganh nang, anh bang, anh dang
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (chieu xanh)) - anh nang quan dung cong dang ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu xanh)) - anh nang quan dung cong dang ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) or (chieu xanh)) - anh nang quan dung cong dang ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chieu xanh)) - anh nang quan dung cong dang ((toan cau) OR (toan tap))*.