Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao tu chan snippets" » "cao tu chanh snippets", "cao tu nhan snippets", "cao tu cham snippets", "cao thu chan snippets", "co tu chan snippets", "cao su chan 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 tu chan 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 tu chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao tu chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao tu chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.