Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau va cau snippets" » "dau ve cau snippets", "dai va cau snippets", "dan va cau snippets", "dau van cau snippets", "dau va cac snippets", "dau va 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: (((("dau va 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: (((("dau va cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau va cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau va cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.