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