Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc thu can snippets" » "ngo thu can snippets", "ngoc chu can snippets", "ngoc tu can snippets", "ngoc thu canh snippets", "ngoc thuc can snippets", "ngoc thu ban 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: (((("ngoc thu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngoc thu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc thu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc thu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.