Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chung do co snippets" » "chung co co snippets", "chung o co snippets", "nhung don co snippets", "chung do cao snippets", "chung vo co snippets", "chung do bo 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: (((("chung do co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chung do co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung do co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung do co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.