Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat cua dem snippets" » "nhat cua dem snippets", "chat cua dem snippets", "hai cua dem snippets", "phat cua dam snippets", "phat nua dem snippets", "phat cua dieu 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: (((("phat cua dem snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat cua dem snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat cua dem snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat cua dem snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.