Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tung doi cua snippets" » "tuong doi cua snippets", "dung doi cua snippets", "vung doi cua snippets", "tung hoi cua snippets", "tung dai cua snippets", "tung dong cua 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: (((("tung doi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tung doi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung doi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung doi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.