Perhaps you should try some spelling variations:
thanh tung » thanh cong
dang cong » dung cong
tung cao » nung cao, truong cao, trung cap
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
va tinh » may tinh
ho va » ho van, nho va, tho va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho va tinh - thanh tung cao dang cong tan ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho va tinh - thanh tung cao dang cong tan ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho va tinh - thanh tung cao dang cong tan ((toan cau) OR (toan ban))*.