Perhaps you should try some spelling variations:
thong cong » tong cong, thong thong, phong chong
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
canh manh » lanh manh, canh tranh, cach mang
manh toan » thanh toan, anh tuan, tinh toan
manh cua » doanh cua, ban cua
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - canh manh cua ((thong cong) or (trong cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - canh manh cua ((thong cong) OR (trong cong)) manh toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - canh manh cua ((thong cong) or (trong cong)) manh toan ban*.