Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san giao con snippets" » "van giao con snippets", "nang giao con snippets", "toan giao con snippets", "san giao cong snippets", "san gian con snippets", "san gia 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: (((("san giao con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("san giao con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san giao con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san giao con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.