Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi tim cach snippets" » "doi tim code snippets", "doi tim mach snippets", "doi tinh cach snippets", "doi tu cach snippets", "di tim cach snippets", "dai tim cach snippets", "hoi tim cach 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 tim cach 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 tim cach snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi tim cach snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi tim cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.