Perhaps you should try some spelling variations:
detection determination » detection detection, position determination, pollution determination
determination methods » examination methods, detection methods
methods directive » methods directions, methods direct, methods effective
array forming » array arcing, array fermi, array formats
array using » arrays using

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

• Performing a fuzzy search may retrieve terms with similar spellings: detection determination methods directive ((((array forming) or (array using))) or (array format))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: detection determination methods directive ((((array forming) OR (array using))) OR (array format)).
• Adding a wildcard symbol may retrieve word variants: detection determination methods directive ((((array forming) or (array using))) or (array format))*.