Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim danh chi snippets" » "tim hanh chi snippets", "tich danh chi snippets", "tiep danh chi snippets", "tim danh cho snippets", "tim dinh chi snippets", "tim 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: (((("tim 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: (((("tim danh chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim danh chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim danh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.