Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"law dan viet snippets" » "law danh viet snippets", "law san viet snippets", "law dao viet snippets", "lan dan viet snippets", "lap dan viet snippets", "law can viet snippets", "law dan 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: (((("law dan 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: (((("law dan viet snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( law dan viet snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("law dan viet snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.