Perhaps you should try some spelling variations:
"daily expenditure on food" » "capita expenditure on food", "wage expenditure on food", "cash expenditure on food"
"care expenditure on food" » "care expenditures on food", "term expenditure on food", "capita expenditure on food"
"tax expenditure on food" » "tax expenditures on food", "total expenditure on food", "term expenditure on food"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("daily expenditure on food") OR ("care expenditure on food"))) or ("tax expenditure on food"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("daily expenditure on food") OR ("care expenditure on food"))) OR ("tax expenditure on food")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"daily expenditure on food\") OR (\"care expenditure on food\"))) or (\"tax expenditure on food\"))".
• Removing quotes may allow a broader search: (((( daily expenditure on food ) OR ( care expenditure on food ))) or ( tax expenditure on food )).
• Adding a wildcard symbol may retrieve word variants: (((("daily expenditure on food") OR ("care expenditure on food"))) or ("tax expenditure on food"))*.