Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi tin vao slippers" » "thi thin vao slippers", "thi tinh vao slippers", "chi tin vao slippers", "thi tin va slippers", "thi tien van slippers", "thi tin vao slippery", "thi tin vao 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: (((("thi tin vao slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi tin vao slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi tin vao slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi tin vao slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.