Perhaps you should try some spelling variations:
auditing techniques » laundering techniques, marketing techniques, mining techniques
charging techniques » charting techniques, learning techniques, imaging techniques
capital auditing » capital budgeting, digital auditing, capital attaining
capital charging » capital changing, capital emerging, capital chain

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( capital auditing techniques ) or ( capital charging techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( capital auditing techniques ) OR ( capital charging techniques )).
• Adding a wildcard symbol may retrieve word variants: (( capital auditing techniques ) or ( capital charging techniques ))*.