Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan nhan so snippets" » "tran nhan so snippets", "van nhan so snippets", "ban nhan so snippets", "tan nhan su snippets", "tan nhat so snippets", "tan nhan mo 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: (((("tan nhan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan nhan so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan nhan so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan nhan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.