Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chan mo cho snippets" » "nhan mo cho snippets", "phan mo cho snippets", "chan o cho snippets", "chan mo chon snippets", "chan moi cho snippets", "chan mo ho 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: (((("chan mo 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: (((("chan mo cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chan mo cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chan mo cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.