Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers", "locatinhg bugs code snippets"
"using java code snippets" » "using data code snippets", "using java code slippers"
"lua thong tin snippets" » "luat thong tin snippets", "luat thuong tin snippets", "suat thong tin snippets", "lua thong tin slippers", "lua thong tinh 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 code snippets") or ("lua thong tin snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("lua thong tin snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( lua thong tin snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("lua thong tin snippets"))) or ("locating bugs code snippets"))*.