Perhaps you should try some spelling variations:
thong cong » tong cong, thong thong, phong chong
hieu xanh » chieu xanh, hieu manh, hieu nganh
canh manh » lanh manh, canh tranh, cach mang
manh toan » thanh toan, anh tuan, tinh toan
doc hieu » toc thieu, hoc thieu, hoc hien
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: doc hieu xanh - canh manh cua ((thong cong) or (trong cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - canh manh cua ((thong cong) OR (trong cong)) manh toan ban.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh manh cua ((thong cong) or (trong cong)) manh toan ban*.