Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap bai cho snippets" » "cac bai cho snippets", "tap bai cho snippets", "cap tai cho snippets", "cap bai choi snippets", "cap lai cho snippets", "cap mai cho 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: (((("cap bai cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap bai cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap bai cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap bai cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.