Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat tri chat snippets" » "hat tra chat snippets", "hat trinh chat snippets", "hat tri nhan snippets", "hat tai chat snippets", "mat troi chat snippets", "chat tai chat 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: (((("hat tri chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat tri chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat tri chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat tri chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.