Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hop benh cua snippets" » "hoc benh cua snippets", "hap benh cua snippets", "hoa benh cua snippets", "hop benh chua snippets", "hop menh cua snippets", "hop benh luan 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: (((("hop benh 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: (((("hop benh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hop benh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hop benh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.