Perhaps you should try some spelling variations:
des planungs » der planung, des plantes, des plans
planungs der » planung der, planung des, planungs und
small states » small scale
states using » states during, rates using, estimates using
klang des » klang der, klarung des, klange das
der small » der smart, d small, der smad
dong ping » dong bin, dong jung, dong yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: klang des planungs der small states using ((dong sin) or (dong ping)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: klang des planungs der small states using ((dong sin) OR (dong ping)) ;*.