Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat thu cau snippets" » "dat thu code snippets", "dat phu cau snippets", "sat thuc cau snippets", "dat tieu cau snippets", "dat nhu cau snippets", "dat thu dau snippets", "dat tu cau 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: (((("dat thu 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: (((("dat thu cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dat thu cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat thu cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.