Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong cua da snippets" » "cong cua code snippets", "cong cu da snippets", "dong cua da snippets", "huong cua da snippets", "cong cua dan snippets", "cong cua dai snippets", "cong cua dam 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 cua 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 cua da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong cua da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cua da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.