Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doan dao cau snippets" » "doan dao code snippets", "doanh dao cau snippets", "doan dau cau snippets", "dan dao cau snippets", "doan dat cau snippets", "doan da cau snippets", "doan tao 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: (((("doan dao 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: (((("doan dao cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doan dao cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan dao cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.