Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong so chu snippets" » "dong son chu snippets", "dong co chu snippets", "cong so chu snippets", "dong ho chu snippets", "dong so cau 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 so chu 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 so chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong so chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong so chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.