Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua giup hoc snippets" » "qua giup hoc snippets", "luoc giup hoc snippets", "va giup hoc snippets", "lua giup xac 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 giup hoc 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 giup hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua giup hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua giup hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.