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