Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi vao ve snippets" » "moi va ve snippets", "moi van ve snippets", "moi giao ve snippets", "moi bao ve snippets", "moi dao ve 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: (((("moi vao ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("moi vao ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi vao ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi vao ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.