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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("va ung code snippets") or ("missing data java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va ung code snippets") OR ("missing data java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va ung code snippets ) or ( missing data java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va ung code snippets") or ("missing data java slippery"))) or ("locating bug code snippets"))*.