Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu hai chu snippets" » "lieu tai chu snippets", "lieu bai chu snippets", "lieu lai chu snippets", "lieu hai chau snippets", "lieu hoi chu snippets", "lieu hai chi 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: (((("lieu hai chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu hai chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu hai chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu hai chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.