Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi tran cao snippets" » "thi trang cao snippets", "thi thanh cao snippets", "thi lan cao snippets", "thi toan cao snippets", "thi tran chau snippets", "thi trang cho 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: (((("python using java snippets") or ("thi tran cao snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thi tran cao snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thi tran cao snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thi tran cao snippets"))) or ("locating bug code snippets"))*.