也许你应该尝试一些拼写变化:
international conventions » international convention, international contributions, international cooperation
conventions programming » prevention programming, communications programming
programming decision » programming decisions, programming recursion, programming design
concept drawing » concept drifting, concept training, concept arising
concepts themes » concepts theories, concepts theory, concepts types

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

• Performing a fuzzy search may retrieve terms with similar spellings: international conventions programming decision ((concept drawing) or (concepts themes))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: international conventions programming decision ((concept drawing) OR (concepts themes)).
• Adding a wildcard symbol may retrieve word variants: international conventions programming decision ((concept drawing) or (concepts themes))*.