Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao sinh dh snippets" » "cho sinh dh snippets", "cao minh dh snippets", "bao sinh dh snippets", "cao sinh de snippets", "cao sinh danh snippets", "cao sinh dai 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 sinh dh 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 sinh dh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao sinh dh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao sinh dh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.