Perhaps you should try some spelling variations:
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
dinh trong » sinh trong, chinh trong, dinh thuong
van nhung » van nhuong, va nhung, van hung
van dung » van dong, xay dung, tin dung
cong tac » cong ty
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chiet tach - dinh trong ((van nhung) or (van dung)) cong tac ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chiet tach - dinh trong ((van nhung) OR (van dung)) cong tac ((toan cau) OR (toan cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chiet tach - dinh trong ((van nhung) or (van dung)) cong tac ((toan cau) OR (toan cao))*".