Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"van tri dat snippets" » "van tai dat snippets", "van thi dat snippets", "van toi dat snippets", "van trai dat snippets", "van troi dat snippets", "van tri dac snippets", "van tri dat 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: (((("python using java snippets") or ("van tri dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van tri dat snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van tri dat snippets ))) or ( locating bug code snippets ))*.