Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong tap don snippets" » "cong tap code snippets", "cuong tap don snippets", "cong tac don snippets", "cong tan don snippets", "cong tap doan snippets", "cong tap dong snippets", "cong tap ion 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 tap don 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 tap don snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong tap don snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tap don snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.