Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huong va he snippets" » "thuong va he snippets", "luong va he snippets", "duong va he snippets", "huong va che snippets", "huong va ghe snippets", "huong va de 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 va he 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 va he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huong va he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huong va he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.