Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van son da snippets" » "van son code snippets", "van dong da snippets", "van cong da snippets", "van sung da snippets", "van song da snippets", "van son la snippets", "van son ha snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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 ("van son da snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van son da snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van son da snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van son da snippets"))) or ("locating bug core snippets"))*.