Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong dan su slippers" » "trong dang su slippers", "trong san su slippers", "trong tan su slippers", "trong dan su slippery", "trong dan su 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: (((("trong dan su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong dan su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong dan su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong dan su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.