Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian phu cao snippets" » "gian xu cao snippets", "san phu cao snippets", "van phu cao snippets", "gian phu can snippets", "gian phung cao snippets", "gian phuc cam 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: (((("gian phu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian phu cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian phu cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian phu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.