Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian dan cao snippets" » "gian lang cao snippets", "gian dan ca snippets", "gian dam cao snippets", "gian dan bao 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 dan 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 dan cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian dan cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian dan cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.