Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi tai doi snippets" » "hoi tai doi snippets", "dai tai doi snippets", "doi tac doi snippets", "doi thai doi snippets", "doi tri doi snippets", "doi mai doi 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 tai doi 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 tai doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi tai doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi tai doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.