Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"san van tri snippets" » "tan van tri snippets", "luan van tri snippets", "tran van tri snippets", "san van tai snippets", "san van thi snippets", "san van toi snippets", "san 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: (((("san 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: (((("san van tri snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san van tri snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san van tri snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.