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