Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham pha cua snippets" » "pham phap cua snippets", "kham pha cua snippets", "pham ha cua snippets", "pham phat cua snippets", "pham phai cua snippets", "pham pham cua snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("pham pha cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham pha cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham pha cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham pha cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.