Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap bai con snippets" » "phap tai con snippets", "phap boi con snippets", "phan bai con snippets", "phap bai lon snippets", "phap hai con snippets", "phap tai cong 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: (((("phap bai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap bai con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap bai con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap bai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.