Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi mong cai snippets" » "doi mong code snippets", "doi song cai snippets", "doi cong cai snippets", "doi mang cai snippets", "doi cong cau snippets", "doi cong cac snippets", "doi dong cac 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 mong cai 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 mong cai snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi mong cai snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi mong cai snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.