Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh va thi slippers" » "trinh van thi slippers", "trinh vat thi slippers", "trinh ve thi slippers", "trinh vu thi slippers", "trinh ha thi slippers", "trinh va thi slippery", "trinh va thi grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh va 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: (((("trinh va thi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh va thi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh va thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.