Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong ky hoan snippets" » "duong ky hoan snippets", "hong ky hoan snippets", "dong y hoan snippets", "dong ky hoa snippets", "dong ly hoan 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 ky hoan 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 ky hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong ky hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong ky hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.