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