Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mong do dan slippers" » "mong doi dan slippers", "dong do dan slippers", "mong du dan slippers", "mong do danh slippers", "mong dao dan slippers", "mong do dang slippers", "mong do dan slippery", "mong do dan 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mong do dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( mong do dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("mong do dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.