Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"choi van tri snippets" » "choi dan tri snippets", "chi van tri snippets", "choi va tri snippets", "choi van tai snippets", "choi van thi snippets", "choi van toi snippets", "choi van tri 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: (((("choi van tri snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("choi van tri snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( choi van tri snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("choi van tri snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.