Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan tat cau snippets" » "ban tat cau snippets", "toan tap cau snippets", "toan tai cau snippets", "tan dat cau snippets", "tan tat ca snippets", "tan tao cau 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 tat cau 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 tat cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan tat cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan tat cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.