Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tong dam da snippets" » "trong dam da snippets", "thuong dam da snippets", "tuong dan da snippets", "tong dam dac snippets", "tong dam dam snippets", "tong nam da 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: (((("tong dam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tong dam da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong dam da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong dam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.