Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat cua duoc slippers" » "dat chua duoc slippers", "dat cua nuoc slippers", "dat cua quoc slippers", "dai cua duoc slippers", "day cua duoc slippers", "mat cua duoc slippers", "dat cua duoc slippery", "dat cua duoc grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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