Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho dan da snippets" » "pho danh da snippets", "tho dan da snippets", "pho da da snippets", "pho dan dat snippets", "pho dan ca snippets", "pho dan va 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: (((("pho dan 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: (((("pho dan da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho dan da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.