Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua troi cua snippets" » "lua tuoi cua snippets", "len troi cua snippets", "lua doi cua snippets", "lua tri cua snippets", "lua tro cua snippets", "lua hoi cua 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 troi cua 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 troi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua troi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua troi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.