Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh son cao snippets" » "tinh son cao snippets", "minh toan cao snippets", "dinh so cao snippets", "minh cong cao snippets", "minh dong cao 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: (((("minh son cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("minh son cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh son cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh son cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.