Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu cuc o snippets" » "thi cuc o snippets", "thu tuc o snippets", "thu cua o snippets", "thu cuoc o snippets", "thu cuc do snippets", "thu cac o 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: (((("thu cuc o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu cuc o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu cuc o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu cuc o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.