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