Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong cua lon snippets" » "cong cua code snippets", "cong cu lon snippets", "dong cua lon snippets", "huong cua lon snippets", "cong cua con snippets", "cong cua hon snippets", "cong cua loc 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: (((("python using java snippets") or ("cong cua lon snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cong cua lon snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong cua lon snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong cua lon snippets"))) or ("locating bug core snippets"))*.