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