Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh son can snippets" » "anh dong can snippets", "tinh son can snippets", "anh son con snippets", "anh son van snippets", "anh son tang 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: (((("anh son can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh son can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh son can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh son can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.