Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua duy hue snippets" » "la duy hue snippets", "luan quy hue snippets", "luan day hue snippets", "lua duc hue snippets", "lua duy huu snippets", "lua duy tue 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: (((("lua duy hue snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua duy hue snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua duy hue snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua duy hue snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.