Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan thanh ca snippets" » "tran thanh ca snippets", "tang thanh ca snippets", "toan thanh ca snippets", "tan thanh cha snippets", "tan thanh cac snippets", "tan thanh ha 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 thanh 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: (((("tan thanh ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan thanh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan thanh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.