Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho san co snippets" » "cho can co snippets", "ho san co snippets", "cho sinh co snippets", "cho ban co snippets", "cho sang cho 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 san co 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 san co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho san co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho san co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.