Perhaps you should try some spelling variations:
thanh tung » thanh cong
luong cong » dung cong, trong cong, cong cong
dap luong » dai luong, da luong, do luong
chi sang » chi lang, chieu sang, chi chang
tung dap » tung dan, trung dai, tuong dan
cong san » cong tac
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sang - thanh tung dap luong cong san ((toan cau) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi sang - thanh tung dap luong cong san ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: doi chi sang - thanh tung dap luong cong san ((toan cau) OR (toan cao))*.