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