Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra thuc te snippets" » "tri thuc te snippets", "trang thuc te snippets", "toan thuc te snippets", "tra thuc ve snippets", "tra thuc tien snippets", "tra thuc tin 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 ("tra thuc te snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tra thuc te snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tra thuc te snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tra thuc te snippets"))) or ("locating bug code snippets"))*.