Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may gat cong snippets" » "may bat cong snippets", "may sat cong snippets", "may luat cong snippets", "may cat cong snippets", "may giao cong snippets", "may phat 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 gat 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 gat cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may gat cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may gat cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.