Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java slippers" » "python using data slippers", "python using java slippery", "python using java grippers"
"phan mo dan snippets" » "phap mo dan snippets", "phan bo dan snippets", "phan co dan snippets", "phan mo danh snippets", "phan moi dan 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: (((("python using java slippers") or ("phan mo dan snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java slippers") OR ("phan mo dan snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( python using java slippers ) or ( phan mo dan snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippers") or ("phan mo dan snippets"))) or ("locating bugs code snippets"))*.