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