Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"son da viet snippets" » "son dao viet snippets", "son dai viet snippets", "son dan viet snippets", "song da viet snippets", "son la viet snippets", "son ha viet snippets", "son da viet slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("son da viet snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son da viet snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son da viet snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son da viet snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.