Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua duc cau snippets" » "cua tuc cau snippets", "cua nuoc cau snippets", "cua quoc cau snippets", "cua duc hau snippets", "cua duc mau snippets", "cua duc cac 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: (((("cua duc cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua duc cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua duc cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua duc cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.