Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han che cac snippets" » "han cho cac snippets", "han che tac snippets", "han he cac snippets", "phan che cac snippets", "nhan che cac snippets", "hanh che cac 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: (((("han che cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han che cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han che cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han che cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.