Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"co dong den snippets" » "co dong code snippets", "co dong dien snippets", "co don den snippets", "co dong dan snippets", "o dong den snippets", "cong dong den snippets", "lao dong den 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: (((("co dong den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("co dong den snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( co dong den snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co dong den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.