Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long van chu snippets" » "luong van chu snippets", "song van chu snippets", "lang van chu snippets", "long van chi snippets", "long van phu snippets", "long van cau 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: (((("long van chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long van chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long van chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long van chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.