Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trang tai ca snippets" » "trang trai ca snippets", "tang tai ca snippets", "trang tri ca snippets", "trang tai cac snippets", "trang tai cao snippets", "trang tai cua 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 tai ca 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 tai ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trang tai ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trang tai ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.