Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cau huu toan snippets" » "cau huu code snippets", "cau huu tuan snippets", "cau cuu toan snippets", "cau huy toan snippets", "chat huu toan snippets", "cau khau toan snippets", "cau chiu toan 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: (((("cau huu toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau huu toan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cau huu toan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau huu toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.