Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc si dan slippers" » "duoc si dai slippers", "duoc si da slippers", "duoc so dan slippers", "duc si dan slippers", "quoc si dan slippers", "duoc si dan slippery", "duoc si 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: (((("duoc si 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: (((("duoc si dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc si dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc si dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.