Perhaps you should try some spelling variations:
"nang trong code snippets" » "nang trong cong snippets", "nang trong co snippets", "nang trong che snippets", "nang truong code snippets", "lang trong code snippets", "mang trong code snippets", "nang trong code 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"

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

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