Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao danh chi snippets" » "cao danh chi snippets", "tac danh chi snippets", "tao anh chi snippets", "tao danh cho snippets", "tao dinh chi snippets", "tao banh chi 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: (((("tao danh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao danh chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao danh chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao danh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.