Perhaps you should try some spelling variations:
"cho nguoi bana snippets" » "cho nguoi ban snippets", "cho nguoi benh snippets", "cho nguoi san snippets", "cua nguoi bana snippets", "cho nguoi bana slippers"
"using java java snippets" » "using data java snippets", "using java java 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: (((("cho nguoi bana snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho nguoi bana snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho nguoi bana snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho nguoi bana snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.