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