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