Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong chi cau snippets" » "cong chi code snippets", "cong khi cau snippets", "cong cho cau snippets", "con chi cau snippets", "cong chim cau snippets", "cong chi dau snippets", "cong chinh 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: (((("cong chi 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: (((("cong chi cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong chi cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong chi cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.