Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh ca toi snippets" » "dan ca toi snippets", "doanh cua toi snippets", "danh cho toi snippets", "danh cac toi snippets", "danh cua toi snippets", "danh ca tai 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: (((("danh ca toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh ca toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh ca toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh ca toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.