Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac thi du snippets" » "cac thi code snippets", "cac thoi du snippets", "cau thi du snippets", "can thi du snippets", "cac thi dua snippets", "cac thi dau snippets", "cac thi diu 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 thi du 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 thi du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cac thi du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac thi du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.