Perhaps you should try some spelling variations:
communication conversacion » communication conversation, communication cooperation, communication cohesion
conversacion basica » conversation basic, conversations basics, conversation based
basica extension » basic extension, basics extensions, basins extension
problem linus » problem linear, problem loans, problem long
problem link » problem long, problem lang, problem life

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication conversacion basica extension ((problem link) OR (problem linus))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "communication conversacion basica extension ((problem link) OR (problem linus))".
• Adding a wildcard symbol may retrieve word variants: communication conversacion basica extension ((problem link) OR (problem linus))*.