Perhaps you should try some spelling variations:
"missing data java slippers" » "using data java slippers", "missing java java slippers", "missing data java slippery", "missing data java grippers"
"hoc cao java snippets" » "hoc cao va snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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: (((("missing data java slippers") or ("hoc cao java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("missing data java slippers") OR ("hoc cao java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( missing data java slippers ) or ( hoc cao java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("missing data java slippers") or ("hoc cao java snippets"))) or ("locating bug code snippets"))*.