Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc dan dat slippers" » "duc dan dat slippers", "duoc ban dat slippers", "duoc dai dat slippers", "duoc dung dat slippers", "duoc dong dat slippers", "duoc dinh dat slippers", "duoc dan dat slippery", "duoc dan dat 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: (((("duoc dan dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc dan dat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc dan dat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc dan dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.