Perhaps you should try some spelling variations:
"kien trinh van snippets" » "tien trinh van snippets", "kien trich van snippets", "tien thinh van snippets", "kien trinh han snippets", "kien trinh quan snippets", "kien trinh toan snippets", "kien trinh van slippers"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets", "using raw 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: (((("kien trinh van snippets") or ("using raw java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kien trinh van snippets") OR ("using raw java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kien trinh van snippets ) or ( using raw java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kien trinh van snippets") or ("using raw java snippets"))) or ("locating bug code snippets"))*.