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