Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh son hoat snippets" » "anh son hoa snippets", "anh sinh hoat snippets", "anh rong hoat snippets", "anh dong hoat snippets", "tinh son hoat 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 hoat 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 hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh son hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh son hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.