Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau de cho snippets" » "dau ve cho snippets", "dai de cho snippets", "sau de cho snippets", "dau de co snippets", "dau de che snippets", "dau ke cho 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 de cho 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 de cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau de cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau de cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.