Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dac bac cao snippets" » "dac sac cao snippets", "cac bac cao snippets", "dan bac cao snippets", "dac bao cao snippets", "dac bac can snippets", "dac bac cau 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: (((("dac bac 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: (((("dac bac cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dac bac cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dac bac cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.