Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho vi dan slippers" » "chon vi dan slippers", "cho vit dan slippers", "cho va dan slippers", "cho voi dan slippers", "cho vi dai slippers", "cho vi dan slippery", "cho vi 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: (((("cho vi 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: (((("cho vi dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho vi dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho vi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.