Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho son le snippets" » "cho lon le snippets", "cao son le snippets", "cho san le snippets", "cho son la snippets", "cho hon le 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 son le 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 son le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho son le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho son le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.