Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug code slippers", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets", "python using java slippers"
"dung don va snippets" » "dung dong va snippets", "dung doi va snippets", "dung dan va snippets", "dung doan va snippets", "dung don vi snippets", "dung don va slippers"

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 don va snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung don va snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets")).
• Removing quotes may allow a broader search: (((( dung don va snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung don va snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.