Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan cua he snippets" » "phan cua code snippets", "nhan cua he snippets", "than cua he snippets", "phat cua he snippets", "phan cua che snippets", "phan cua te snippets", "phan cua le 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: (((("phan cua he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan cua he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan cua he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan cua he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.