Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban
dan cua » dan ca, dai cua, day cua
ban cua » ban quan

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)) - gian ((dan cua) OR (ban cua)) nhung cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (hieu lang)) - gian ((dan cua) OR (ban cua)) nhung cong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) or (hieu lang)) - gian ((dan cua) OR (ban cua)) nhung cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (hieu lang)) - gian ((dan cua) OR (ban cua)) nhung cong manh toan ban*.