Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may dap hoc snippets" » "mau dap hoc snippets", "may lap hoc snippets", "may dai hoc snippets", "may dan hoc snippets", "may day hoc 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: (((("may dap 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: (((("may dap hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may dap hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may dap hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.