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