Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gia thuc do snippets" » "va thuc do snippets", "gia tac do snippets", "gia thuc doi snippets", "gia thuoc do snippets", "gia thuc co 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: (((("gia thuc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gia thuc do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gia thuc do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gia thuc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.