Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh dat doc snippets" » "thanh dat doc snippets", "anh dat doc snippets", "hanh cat doc snippets", "hanh dat duoc snippets", "hanh day doc snippets", "hanh dat nuoc 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: (((("hanh dat 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: (((("hanh dat doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh dat doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh dat doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.