Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van tan de snippets" » "van tan code snippets", "van tuan de snippets", "van ban de snippets", "van tai de snippets", "van toan de snippets", "van van de snippets", "van dan de 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 tan de 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 tan de snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van tan de snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van tan de snippets"))) or ("locating bug core snippets"))*.