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