Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh kem do snippets" » "hanh ke do snippets", "hanh mem do snippets", "thanh kem do snippets", "anh kem do snippets", "hinh kem do 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 kem do 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 kem do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh kem do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh kem do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.