Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi dat cua snippets" » "doi dat code snippets", "hoi dat cua snippets", "doi dau cua snippets", "doi dam cua snippets", "doi dai cua snippets", "doi day cua snippets", "doi mat cua 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 dat cua 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 dat cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi dat cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dat cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.