Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mong hay cac snippets" » "mong hy cac snippets", "mong xay cac snippets", "cong hay cac snippets", "mong tay cac snippets", "mong vay cac snippets", "mong phan cac 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: (((("mong hay cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mong hay cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mong hay cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong hay cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.