Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang cho ca snippets" » "danh cho ca snippets", "dung cho ca snippets", "dong cho ca snippets", "dang cho cac snippets", "dang cho can snippets", "dang cho cay 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: (((("dang cho ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang cho ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang cho ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang cho ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.