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