Perhaps you should try some spelling variations:
estimates using » estimation using
smad estimates » road estimates, demand estimates, sharp estimates
klang der » klarung der, gang der
der lange » der lander
lange der » lange weg
dong sind » dong sin, dong ping
der smad » der smart, der saar, der saa
dong bin » dong sin, dong di, dann bin

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

• Performing a fuzzy search may retrieve terms with similar spellings: klang der lange der smad estimates using ((dong bin) or (dong sind)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: klang der lange der smad estimates using ((dong bin) OR (dong sind)) ;*.