Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao le du snippets" » "dao le code snippets", "do le du snippets", "dao ve du snippets", "hao le du snippets", "dao le duc snippets", "dao le duy snippets", "dao ly du snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dao le du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao le du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao le du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao le du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.