Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi dong von snippets" » "doi duong von snippets", "doi song von snippets", "hoi dong von snippets", "doi dung von snippets", "doi dong co snippets", "doi dong hoc 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: (((("doi dong von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi dong von snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi dong von snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dong von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.