Perhaps you should try some spelling variations:
"hoc lan nhat snippets" » "hoc la nhat snippets", "hoc lon nhat snippets", "hoc san nhat snippets", "hoc luan nhat snippets", "hoc dan nhat snippets", "hoc lam nhat snippets", "hoc lan nhat slippers"
"using low java snippets" » "using low java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoc lan nhat snippets") or ("using low java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc lan nhat snippets") OR ("using low java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc lan nhat snippets ) or ( using low java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc lan nhat snippets") or ("using low java snippets"))) or ("locating bug code snippets"))*.