Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh va do snippets" » "danh va code snippets", "doanh va do snippets", "hanh va do snippets", "anh va do snippets", "danh va dao snippets", "danh va doc snippets", "danh va co 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: (((("danh va do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh va do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( danh va do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh va do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.