Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan tinh cho snippets" » "tan thinh cho snippets", "ban tinh cho snippets", "man tinh cho snippets", "tan trinh cho snippets", "tan tinh cao snippets", "tan tinh co 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: (((("tan tinh cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan tinh cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan tinh cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan tinh cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.