Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao anh cad snippets" » "cao dang cad snippets", "cao tang cad snippets", "cao bang cad snippets", "cao hanh cad snippets", "cao anh ca snippets", "cao anh 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: (((("cao anh cad snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao anh cad snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao anh cad snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao anh cad snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.