Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim son cua snippets" » "kim seon cua snippets", "bim son cua snippets", "kim sun cua snippets", "kim song cua snippets", "kim con cua snippets", "kim san cua 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 cua 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 cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim son cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim son cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.