Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan phap doc snippets" » "ban phap doc snippets", "tan phat doc snippets", "han phap doc snippets", "tan phap hoc snippets", "tan phap coc snippets", "tan phap dot 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 phap doc 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 phap doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan phap doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan phap doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.