Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van van danh slippers" » "van van doanh slippers", "van van anh slippers", "van van hanh slippers", "van ban danh slippers", "tan van danh slippers", "san van danh slippers", "van van danh slippery", "van van danh 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 van danh 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 van danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van van danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van van danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.