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