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