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