Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap cua he snippets" » "phap cua code snippets", "phap chua he snippets", "phap lua he snippets", "phat cua he snippets", "phap cua che snippets", "phap cua te snippets", "phap 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: (((("phap 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: (((("phap cua he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phap cua he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap cua he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.