Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan thi dan slippers" » "quang thi dan slippers", "quan tri dan slippers", "quan tai dan slippers", "quan thi doan slippers", "quan thi lan slippers", "quan thi dai slippers", "quan thi dan slippery", "quan thi dan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("quan thi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan thi dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan thi dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan thi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.