Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van tao dat slippers" » "van thao dat slippers", "vang tao dat slippers", "van tai dat slippers", "van tao dai slippers", "van tao vat slippers", "van tat dat slippers", "van tao dat slippery", "van tao dat grippers"
"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: (((("van tao dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van tao dat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van tao dat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van tao dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.