Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan ve cho snippets" » "dan ve code snippets", "ban ve cho snippets", "dan va cho snippets", "dan viet cho snippets", "dan ve co snippets", "dan ve che snippets", "dan de cho 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: (((("dan ve cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan ve cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan ve cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan ve cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.