Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong su hop snippets" » "dang su hop snippets", "dong tu hop snippets", "dong luc hop snippets", "dong so hop snippets", "dong su ho snippets", "dong su hoa 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: (((("dong su hop snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong su hop snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong su hop snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong su hop snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.