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