Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai dang cua snippets" » "da dang cua snippets", "dai nang cua snippets", "hai dang cua snippets", "dai dung cua snippets", "dai dong cua snippets", "dai mang 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: (((("dai dang 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: (((("dai dang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai dang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai dang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.