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