Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan quan cua snippets" » "dan quan code snippets", "van quan cua snippets", "ban quan cua snippets", "dan luan cua snippets", "dan quan luan snippets", "dan ban cua snippets", "dan gian cua 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 quan cua 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 quan cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan quan cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan quan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.