Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong cao chu snippets" » "cong cao code snippets", "cong cau chu snippets", "cong cac chu snippets", "cong co chu snippets", "cong chao chu snippets", "cong cao cho snippets", "cong cho chu 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 cao chu 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 cao chu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong cao chu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cao chu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.