Perhaps you should try some spelling variations:
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets", "using raw java slippers"
"van cong tai snippets" » "van dong tai snippets", "van phong tai snippets", "phan cong tai snippets", "van cong thai snippets", "van cong tac snippets", "van cong tai 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 raw java snippets") or ("van cong tai snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using raw java snippets") OR ("van cong tai snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using raw java snippets ) or ( van cong tai snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using raw java snippets") or ("van cong tai snippets"))) or ("locating bug code snippets"))*.