Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nhan con pha snippets" » "nhan co pha snippets", "nhanh cong pha snippets", "phan cong pha snippets", "nhan cong phan snippets", "nhan cong pham snippets", "nhan con khoa 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: (((("nhan con pha snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan con pha snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhan con pha snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan con pha snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.