Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"va thi kiem snippets" » "va thi kim snippets", "va thi lien snippets", "va thi hien snippets", "van thi kiem snippets", "vu thi kiem snippets", "ha thi kiem snippets", "va thi kiem slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("va thi kiem snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va thi kiem snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( va thi kiem snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))*.