Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang van do snippets" » "tang van code snippets", "dang van do snippets", "hoang van do snippets", "trong van do snippets", "tang van dao snippets", "tang van de snippets", "tang van 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: (((("python using java snippets") or ("tang van do snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tang van do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tang van do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tang van do snippets"))) or ("locating bug core snippets"))*.