Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luot van doi snippets" » "luoc van doi snippets", "luong van doi snippets", "luan van doi snippets", "luot van loi snippets", "luot van noi snippets", "luot van do 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: (((("luot van doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luot van doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luot van doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luot van doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.