Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung voi hat slippers" » "dung von hat slippers", "dung doi hat slippers", "dung vi hat slippers", "dung voi nhat slippers", "dung voi chat slippers", "dung voi hoat slippers", "dung voi hat slippery", "dung voi hat 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: (((("dung voi hat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung voi hat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung voi hat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung voi hat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.