Perhaps you should try some spelling variations:
"lochating bug core snippets" » "locating bug core snippets", "lochating bug code snippets"
"python using java snippets" » "python using data snippets"
"cu che duoc snippets" » "cu che thuoc snippets", "cu che do snippets", "cu te duoc snippets", "cuu che duoc snippets", "cua che duoc snippets", "co che duoc 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: (((("cu che duoc snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu che duoc snippets") OR ("python using java snippets"))) OR ("lochating bug core snippets")).
• Removing quotes may allow a broader search: (((( cu che duoc snippets ) or ( python using java snippets ))) or ( lochating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu che duoc snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))*.