Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung nam ong snippets" » "dong nam ong snippets", "dung lam ong snippets", "sung nam ong snippets", "dung nam dong snippets", "dung nam trong snippets", "dung nam phong 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: (((("dung nam ong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung nam ong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung nam ong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nam ong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.