Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh kem non snippets" » "thanh kem non snippets", "anh kem non snippets", "hinh kem non snippets", "hanh kiem non 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: (((("hanh kem non snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh kem non snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh kem non snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh kem non snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.