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