Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang de so snippets" » "dang deo so snippets", "dung de so snippets", "dang do so snippets", "dang de co snippets", "dang de mo snippets", "dang de bo 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 de so 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 de so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang de so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang de so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.