Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau song du snippets" » "cau cong du snippets", "cau dong du snippets", "can song du snippets", "cau song da snippets", "cau mong du snippets", "cau song ngu 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: (((("cau song du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau song du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau song du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau song du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.