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