Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang cua cuu snippets" » "tang cua code snippets", "mang cua cuu snippets", "hang cua cuu snippets", "tang luan cuu snippets", "tang cua chu snippets", "tang cua cu snippets", "tang cua cau 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: (((("python using java snippets") or ("tang cua cuu snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tang cua cuu snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tang cua cuu snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tang cua cuu snippets"))) or ("locating bug core snippets"))*.