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