Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tieu thi den snippets" » "trieu thi den snippets", "tiep thi den snippets", "tieu thu den snippets", "tieu thai den snippets", "tieu thi dan snippets", "tieu thi dep 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 thi den 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 thi den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tieu thi den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tieu thi den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.