Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim sung do snippets" » "kim dung do snippets", "kim sun do snippets", "kim huong do snippets", "kim tung do snippets", "kim sung dong 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 sung do 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 sung do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim sung do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim sung do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.