Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huong co do snippets" » "huong cho do snippets", "huong com do snippets", "duong co do snippets", "huong co dot snippets", "huong co don snippets", "huong co so 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: (((("huong co 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: (((("huong co do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huong co do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huong co do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.