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