Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong chu da snippets" » "cong chu code snippets", "cong chuc da snippets", "cong chua da snippets", "cong cu da snippets", "cong chu de snippets", "cong cuu da snippets", "cong phu da 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 chu da 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 chu da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong chu da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong chu da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.