Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong cho do snippets" » "cong cho code snippets", "dong cho do snippets", "cong co do snippets", "rong cho do snippets", "cong cho dao snippets", "cong cho doi snippets", "cong cho ro 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 cho do 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 cho do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong cho do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cho do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.