Perhaps you should try some spelling variations:
chi chang » thi chang, chi nhanh, thi hang
dap luong » da luong, do luong, van luong
dai luong » dai cuong, dai duong, do luong
chi sang » chi lang, chieu sang, khai sang
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cao » toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sang) OR (chi chang)) - thanh cong ((dap luong) OR (dai luong)) cong san toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi sang) or (chi chang)) - thanh cong ((dap luong) OR (dai luong)) cong san toan cao~".
• Adding a wildcard symbol may retrieve word variants: doi ((chi sang) or (chi chang)) - thanh cong ((dap luong) OR (dai luong)) cong san toan cao*.