Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"jun han du snippets" » "jun han code snippets", "jun fan du snippets", "jun zhang du snippets", "luan han du snippets", "jun han dau snippets", "jun van du snippets", "jun han tu 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: (((("python using java snippets") or ("jun han du snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("jun han du snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( jun han du snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("jun han du snippets"))) or ("locating bug core snippets"))*.