Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tieu dan he snippets" » "tieu danh he snippets", "sieu dan he snippets", "tieu dam he snippets", "tieu dan ve snippets", "tieu dan de snippets", "tieu dan ke 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: (((("tieu dan he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tieu dan he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tieu dan he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tieu dan he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.