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