Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhap cac chu snippets" » "nhap cac code snippets", "nhap ca chu snippets", "phap cac chu snippets", "nhan cach chu snippets", "nhap cac thu snippets", "nhap cac che snippets", "nhap cac khu 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: (((("nhap cac chu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhap cac chu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhap cac chu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap cac chu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.