Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug code slippers", "lochating bug core snippets"
"python using java snippets" » "python using data snippets", "python using java slippers"
"do van dau snippets" » "do van dao snippets", "do phan dau snippets", "dao van dau snippets", "vo van dau snippets", "so van dau snippets", "do van dau slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("do van dau snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do van dau snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( do van dau snippets ) or ( python using java snippets ))) or ( lochating bug code snippets ))*.