Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hong van du snippets" » "hong van code snippets", "hoang van du snippets", "thong van du snippets", "song van du snippets", "hong van duy snippets", "hong van dau snippets", "hong van de 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 ("hong van 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 ("hong van du snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hong van du snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hong van du snippets"))) or ("locating bug core snippets"))*.