Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len choi cau snippets" » "len thoi cau snippets", "len troi cau snippets", "ben chi cau snippets", "len choi au snippets", "len choi chu snippets", "len hoi cau 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: (((("len choi cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("len choi cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len choi cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len choi cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.