Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao don chuc snippets" » "cao cong chuc snippets", "cao dinh chuc snippets", "cao don thuoc snippets", "cao dong chuc snippets", "cao son chuc snippets", "cac don chuc 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 don chuc 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 don chuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao don chuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao don chuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.