Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van hoang su slippers" » "van hoan su slippers", "quan hoang su slippers", "tran hoang su slippers", "van hoang tu slippers", "van hoang vu slippers", "van hoang du slippers", "van hoang su slippery", "van hoang su 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: (((("van hoang su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van hoang su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van hoang su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van hoang su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.