Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang dao son snippets" » "nang cao son snippets", "nang dau son snippets", "nang tao son snippets", "nang dai son snippets", "nang do son 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: (((("nang dao son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang dao son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang dao son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang dao son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.