Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach dua cha snippets" » "cach cua cha snippets", "cach dung cha snippets", "cac du cha snippets", "cach sua chua snippets", "cach dia chat 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: (((("cach dua cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach dua cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach dua cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach dua cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.