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