Perhaps you should try some spelling variations:
information department » information development, information measurement, information management
samples regression » simple regression, squares regression, series regression
sample regression » simple regression, simple regressions, complex regression
methods line » methods linear, methods linda, methods blind

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

• Performing a fuzzy search may retrieve terms with similar spellings: information department ((sample regression) or (samples regression)) methods line~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information department ((sample regression) OR (samples regression)) methods line.
• Adding a wildcard symbol may retrieve word variants: information department ((sample regression) or (samples regression)) methods line*.