Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"anh son tran snippets" » "anh son tren snippets", "anh son thanh snippets", "anh hoan tran snippets", "anh dong tran snippets", "tinh son tran snippets", "anh son tran slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("anh son tran snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh son tran snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh son tran snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh son tran snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.