Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
canh manh » lanh manh, canh tranh, cach mang
dang cong » dung cong
manh cua » doanh cua, ban cua
cua dang » cua cong, cua ban
cong tac » cong ty
tac chon » tac chong, tap chon, tac cho
chon tu » con tu, cho tu, choi tu

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 (hieu lang)) - canh manh cua dang cong tac chon tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) OR (hieu lang)) - canh manh cua dang cong tac chon tu".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) OR (hieu lang)) - canh manh cua dang cong tac chon tu*.