Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau ban can snippets" » "dau bang can snippets", "da ban can snippets", "dau bao can snippets", "dau ban dan snippets", "dau ban hang snippets", "dau ban hanh 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 ban can 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 ban can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau ban can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau ban can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.