Perhaps you should try some spelling variations:
"lang trong code snippets" » "dung trong code snippets", "cong trong code snippets", "dong trong code snippets", "lang trong cong snippets", "lang trong co snippets", "lang trong che snippets", "lang trong code slippers"
"using _ java snippets" » "using _ 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 _ java snippets") or ("lang trong code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using _ java snippets") OR ("lang trong code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using _ java snippets ) or ( lang trong code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using _ java snippets") or ("lang trong code snippets"))) or ("locating bug code snippets"))*.