Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan tap cong snippets" » "tan tmcp cong snippets", "tan cac cong snippets", "tan tap co snippets", "toan tap cong snippets", "han tap cong snippets", "tan tat 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: (((("tan tap cong 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 tap cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan tap cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan tap cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.