Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim son cao snippets" » "kim seon cao snippets", "bim son cao snippets", "kim sun cao snippets", "kim toan cao snippets", "kim cong cao snippets", "kim dong cao 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: (((("python using java snippets") or ("kim son cao snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("kim son cao snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( kim son cao snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("kim son cao snippets"))) or ("locating bug code snippets"))*.