Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"du hanh code slippers" » "du hanh de slippers", "du hanh cong slippers", "du hanh cad slippers", "dieu hanh code slippers", "luu hanh code slippers", "de thanh code slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

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