Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may phan de snippets" » "may phay de snippets", "may phat de snippets", "mau phan de snippets", "may phan le snippets", "may phan ve snippets", "may phan do 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 phan de 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 phan de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may phan de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may phan de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.