Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai thuc cua snippets" » "dan thuc cua snippets", "dai thu cua snippets", "dai thua cua snippets", "dai hoc cua snippets", "dai thuc va 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 thuc 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 thuc cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai thuc cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai thuc cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.