Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"xuong van do snippets" » "xuong van code snippets", "duong van do snippets", "luong van do snippets", "xuong san do snippets", "xuong van dao snippets", "xuong van de snippets", "xuong 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 ("xuong 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 ("xuong van do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( xuong van do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("xuong van do snippets"))) or ("locating bug core snippets"))*.