Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh du hoi snippets" » "danh dau hoi snippets", "danh tu hoi snippets", "dinh du hoi snippets", "danh du hoc snippets", "danh lu hoi snippets", "danh di hoi 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 du hoi 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 du hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh du hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh du hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.