Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong hung ca snippets" » "cong hung code snippets", "cong chung ca snippets", "cong huong ca snippets", "cong dung ca snippets", "cong nhung ca snippets", "cong hang ca snippets", "cong hung ha 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 hung ca 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 hung ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong hung ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hung ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.