Perhaps you should try some spelling variations:
international communication » interpersonal communication, international cooperation, intercultural communication
international convention » international cooperation, international context, international conference
center retrieving » sensor retrieving, center achieving, cuts retrieving
retrieving method » retrieval method, retracking methods, retrieval methods
method limm » method limit, method lisa, method lamp

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((international convention) OR (international communication)) center retrieving method limm~.
• Adding a wildcard symbol may retrieve word variants: ((international convention) or (international communication)) center retrieving method limm*.