Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tung ho phe snippets" » "tuong ho phe snippets", "trung hoc phe snippets", "trung hoa phe snippets", "tung hoc phe snippets", "tung ho phi 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 ho phe 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 ho phe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung ho phe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung ho phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.