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