Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den cu cua snippets" » "dien cu cua snippets", "den su cua snippets", "dan cu cua snippets", "den cau cua snippets", "den ca cua snippets", "den co cua 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: (((("den cu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den cu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den cu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den cu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.