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