Perhaps you should try some spelling variations:
xanh hanh » danh thanh, ban hanh, van hanh
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
chao chu » cua chu, cao cho, chao xu
va thong » va thuong, va phuong, va cong
toan cau » toan cao, toan ban, toan tap
cho chu » cho thue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((cho chu) or (chao chu)) xanh - xanh hanh ((va thong) OR (he thong)) cong hach toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((cho chu) OR (chao chu)) xanh - xanh hanh ((va thong) OR (he thong)) cong hach toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((cho chu) or (chao chu)) xanh - xanh hanh ((va thong) OR (he thong)) cong hach toan cau".
• Adding a wildcard symbol may retrieve word variants: ((cho chu) or (chao chu)) xanh - xanh hanh ((va thong) OR (he thong)) cong hach toan cau*.