Perhaps you should try some spelling variations:
1st communication » post communication, csr communication, 1 communication
communication gap » communication gaps, communication gsm, communication gt
drive development » driven development, rice development, river development
development und » development fund, development funds, development under
reaction land » reaction law, reaction based, reaction rate
policy 1st » policy 21st, policy 1, policy 1.1
gap drive » can drive, gap die, sas drive

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology _ reaction land policy 1st communication gap drive development und (art.* OR part.*)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technology _ reaction land policy 1st communication gap drive development und (art.* OR part.*)".
• Adding a wildcard symbol may retrieve word variants: technology _ reaction land policy 1st communication gap drive development und (art.* OR part.*)*.