Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hat nhan da snippets" » "hat nhan code snippets", "ca nhan da snippets", "van nhan da snippets", "ban nhan da snippets", "hat nhan dan snippets", "hat nhan dai snippets", "hat nhan dat 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: (((("hat nhan da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat nhan da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hat nhan da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat nhan da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.