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