Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh cai tu slippers" » "trinh tai tu slippers", "trinh cau tu slippers", "trinh cac tu slippers", "trinh mai tu slippers", "trinh cai tu slippery", "trinh cai tu 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 cai tu 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 cai tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh cai tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cai tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.