Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tre vien can snippets" » "tre viem can snippets", "tre viet can snippets", "tren dien can snippets", "tre vien canh snippets", "tre vien cac snippets", "tre vien cao snippets"
"locating bug code snippets" » "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: (((("tre vien can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tre vien can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tre vien can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tre vien can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.