Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan hanh tot snippets" » "tan thanh tot snippets", "tang hanh tot snippets", "toan hanh tot snippets", "tan hanh noi snippets", "tan hanh tu snippets", "tan hanh hoa 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 hanh tot 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 hanh tot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan hanh tot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan hanh tot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.