Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho benh ve snippets" » "co benh ve snippets", "chua benh ve snippets", "khoa benh ve snippets", "cho benh va snippets", "cho benh vien 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: (((("cho benh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho benh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho benh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho benh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.