Perhaps you should try some spelling variations:
dimensions conclusion » dimensions conclusions, dimension conclusions, directions conclusion
conversacion basica » conversations basics, conversation based
conversation basic » conversations basics, conversation based, convection basic
conclusion some » conclusions some, conclusion so, conclusion become

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) or (conversation basic)) dimensions conclusion some~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication ((conversacion basica) OR (conversation basic)) dimensions conclusion some.
• Adding a wildcard symbol may retrieve word variants: communication ((conversacion basica) or (conversation basic)) dimensions conclusion some*.