Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"so trinh duc slippers" » "so tinh duc slippers", "so trinh doc slippers", "so trinh dung slippers", "co trinh duc slippers", "so tranh duc slippers", "so trinh duc slippery", "so trinh duc 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: (((("so trinh duc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so trinh duc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so trinh duc slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so trinh duc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.