Perhaps you should try some spelling variations:
communication collections » communication applications, communication cohesion, communication foundations
communication collision » communication commission, communication cohesion, communications commission
system dimensioning » systems dimensioning, system dimensionality, system designing
dimensioning sde » dimensioning self, dimensioning _, dimensional sde
sde linear » some linear, code linear, size linear

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((communication collision) OR (communication collections)) system dimensioning sde linear~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((communication collision) OR (communication collections)) system dimensioning sde linear".
• Adding a wildcard symbol may retrieve word variants: ((communication collision) OR (communication collections)) system dimensioning sde linear*.