Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tu kiem mot snippets" » "tu kiem mon snippets", "tu kiem soat snippets", "tu hieu mot snippets", "thu kiem mot snippets", "tuc kiem mot snippets", "tu liem mot 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: (((("tu kiem mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu kiem mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu kiem mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu kiem mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.