Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may lap cong snippets" » "may tap cong snippets", "may lap dong snippets", "may luat cong snippets", "xay lap cong snippets", "may dap cong snippets", "may lam cong 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 lap cong 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 lap cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may lap cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may lap cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.