Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang do chan snippets" » "nang doc chan snippets", "dung doi chan snippets", "dang duc chan snippets", "dang do nhan snippets", "dang dong chan snippets", "dang dan chan 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: (((("dang do chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang do chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang do chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang do chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.