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