Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc cao van slippers" » "hoc cao van slippers", "do cao van slippers", "doc dao van slippers", "doc cac van slippers", "doc cao dang slippers", "doc cao van slippery", "doc cao van 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: (((("doc cao van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc cao van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc cao van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc cao van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.