Perhaps you should try some spelling variations:
"vi luong thien snippets" » "vi luong thiet snippets", "vi luong tien snippets", "vi truong thien snippets", "dai luong thien snippets", "van luong thien snippets", "hai luong thien snippets", "vi luong thien 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"

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 java snippets") or ("vi luong thien snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("vi luong thien snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( vi luong thien snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("vi luong thien snippets"))) or ("locating bug code snippets"))*.