Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nam phan cuc snippets" » "nam phan code snippets", "dam phan cuc snippets", "nam thanh cuc snippets", "nam thang cuc snippets", "nam phan duc snippets", "nam phan cac snippets", "nam pham cuc 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: (((("nam phan cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam phan cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nam phan cuc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam phan cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.