Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi tan cu snippets" » "doi tan code snippets", "doi ban cu snippets", "doi tac cu snippets", "dai tan cu snippets", "doi tan cua snippets", "doi tan chu snippets", "doi tuan cu snippets"
"python using java snippets" » "python using data 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 tan cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi tan cu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi tan cu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi tan cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.