Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tong luat de snippets" » "tong luan de snippets", "tang luat de snippets", "tong quat de snippets", "tong luat ve snippets", "tong luat ke snippets", "tong luat du 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 luat de 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 luat de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong luat de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong luat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.