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 co van snippets" » "dung cho van snippets", "dung cong van snippets", "dung cua van snippets", "dung cao van snippets", "dung vo van snippets", "dung so van snippets", "dung co van 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 co van 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 co van snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets")).
• Removing quotes may allow a broader search: (((( dung co van snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung co van snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.