Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi hoa can snippets" » "doi hoa code snippets", "doi hoac can snippets", "doi hoat can snippets", "do hoa can snippets", "doi khoa can snippets", "doi hoa dan snippets", "doi hoa van 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: (((("python using java snippets") or ("doi hoa can snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doi hoa can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doi hoa can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doi hoa can snippets"))) or ("locating bug core snippets"))*.