Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cung cua toi snippets" » "chung cua toi snippets", "dung cua toi snippets", "cong cua toi snippets", "cung cua hoi snippets", "cung cua moi snippets", "cung cua loai 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: (((("cung cua toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cung cua toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung cua toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung cua toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.