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"
"van cau su snippets" » "van dau su snippets", "van hau su snippets", "van chat su snippets", "van cao su snippets", "van cau tu snippets", "van cuu su snippets", "van cau su 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: (((("van cau su snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van cau su snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets")).
• Removing quotes may allow a broader search: (((( van cau su snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van cau su snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.