Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tin dung ton snippets" » "tin dung toan snippets", "tin dung tong snippets", "tin dung con snippets", "tinh dung ton snippets"
"locating bug code snippets" » "locatinhg 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: (((("tin dung ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tin dung ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tin dung ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tin dung ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.