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