Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao dung cua snippets" » "khao dung cua snippets", "hai dung cua snippets", "hao hung cua snippets", "hao dung luan snippets", "hao dung cho 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: (((("hao dung 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: (((("hao dung cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao dung cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao dung cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.