Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi nhan dot snippets" » "doi nhan code snippets", "doi khang dot snippets", "tri nhan dot snippets", "hoi nhap dot snippets", "doi nhan dat snippets", "doi nhay dot snippets", "doi nhan dong 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 nhan dot 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 nhan dot snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi nhan dot snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi nhan dot snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.