Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuong dan di snippets" » "huong dan di snippets", "tung dan di snippets", "xuong dan di snippets", "tuong danh di snippets", "tuong dan da snippets", "tuong dan de 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: (((("tuong dan di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuong dan di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuong dan di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuong dan di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.