Perhaps you should try some spelling variations:
trough communication » through communication, thought communication, touch communication
development pattern » development patterns, development matters, developmental patterns
technology theory » technology thesis, technology other, technology history
theory extension » theory extensions, theory tension, theory attention
over development » power development, river development, order development
extension from » expansion from, extinction from, extension how
past trough » past through, pass through, past drought
costs over » costs other, contests over
pattern 1 » patterns 1, pattern _, pattern 3

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

• Adding a wildcard symbol may retrieve word variants: technology theory extension from past trough communication costs over development pattern 1.*.