Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day cao phan slippers" » "day co phan slippers", "day cho phan slippers", "day cac phan slippers", "tay cao phan slippers", "day cap phan slippers", "day cao phan slippery", "day cao 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: (((("day cao 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: (((("day cao phan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day cao phan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day cao phan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.