Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung bao tom snippets" » "vung bao tom snippets", "dong bao tom snippets", "dung bai tom snippets", "dung bao ton snippets", "dung ao tom snippets", "dung bao gom 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: (((("dung bao tom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung bao tom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung bao tom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung bao tom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.