Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan luoc doi snippets" » "tan duoc doi snippets", "tang cuoc doi snippets", "van luc doi snippets", "tan cuoc doi snippets", "tan luoc dai snippets", "tan hoc doi 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 luoc doi 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 luoc doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan luoc doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan luoc doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.