Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"soan lan van snippets" » "toan luan van snippets", "hoang lan van snippets", "son la van snippets", "soan luan van snippets", "soan lang van snippets", "soan tan van snippets", "soan lan van slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("soan lan van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("soan lan van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( soan lan van snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("soan lan van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.