Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi quynh cu snippets" » "thi quynh cu snippets", "di quanh cu snippets", "doi quy cu snippets", "doi quynh phu snippets", "doi quynh luu snippets", "doi quynh nhu 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 quynh cu 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 quynh cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi quynh cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi quynh cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.