Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap cac cho snippets" » "phap cach cho snippets", "phan cac cho snippets", "pha cac cho snippets", "phap cap cho snippets", "phap cao cho snippets", "phap cac co 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 cac 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: (((("phap cac cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap cac cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap cac cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.