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