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