Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac nhan toc snippets" » "cac nhan code snippets", "ca nhan toc snippets", "cac nha toc snippets", "cam nhan toc snippets", "cac nhan hoc snippets", "cac nhan thuc snippets", "cac nhan cuoc 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 nhan toc 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 nhan toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cac nhan toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac nhan toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.