Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trang bi de snippets" » "truong bi de snippets", "trang tri de snippets", "trang va de snippets", "trang bo de snippets", "trang bi di snippets", "trang gi 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: (((("trang bi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trang bi de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trang bi de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trang bi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.