Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh cho toi snippets" » "danh cho tuoi snippets", "danh cho moi snippets", "danh cho doi snippets", "doanh cho toi snippets", "dan cho toi snippets", "dinh cho toi 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 cho 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 cho toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh cho toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh cho toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.