Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua nang cau snippets" » "sua nang cau snippets", "cua nang cau snippets", "qua hang cau snippets", "qua nang cao snippets", "qua nang dau 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: (((("qua nang 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: (((("qua nang cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua nang cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua nang cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.