Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van phan may slippers" » "van phong may slippers", "van thanh may slippers", "luan phan may slippers", "van phan xay slippers", "van phan day slippers", "van phan giay slippers", "van phan may slippery", "van phan may 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: (((("van phan may slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van phan may slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van phan may slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van phan may slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.