Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong goi con snippets" » "cong goi code snippets", "cong noi con snippets", "cong soi con snippets", "dong goi con snippets", "cong moi con snippets", "cong voi con snippets", "cong noi cong snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cong goi con 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 goi con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong goi con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong goi con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.