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