Perhaps you should try some spelling variations:
"lua gao sio2 snippets" » "lua bao sio2 snippets", "lua cao sio2 snippets", "lua sro sio2 snippets", "lua dao sio2 snippets", "luat giao sio2 snippets", "luat bao sio2 snippets", "lua gao sio2 slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "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 gao sio2 snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua gao sio2 snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua gao sio2 snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua gao sio2 snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.