Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van ngoc dan slippers" » "tran ngoc dan slippers", "van hoc dan slippers", "van nghe dan slippers", "van ngoc dang slippers", "van ngoc lan slippers", "van ngoc tan slippers", "van ngoc dan slippery", "van ngoc 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: (((("van ngoc 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: (((("van ngoc dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van ngoc dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van ngoc dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.