Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong tuan do snippets" » "cong tuan code snippets", "cong tan do snippets", "cong luan do snippets", "cong thanh do snippets", "cong toan do snippets", "cong truan doi snippets", "cong quan doi 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 tuan 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 tuan do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong tuan do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tuan do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.