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