Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim sang cho snippets" » "kim bang cho snippets", "kim sung cho snippets", "kim seong cho snippets", "kim danh cho snippets", "kim dung cho snippets", "kim sang tao 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 sang cho 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 sang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim sang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim sang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.