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