Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh viet xam slippers" » "anh viet nam slippers", "anh viet cham slippers", "anh viet nami slippers", "anh viet xam slippery", "anh viet xam grippers"
"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: (((("anh viet xam slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh viet xam slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh viet xam slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh viet xam slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.