Perhaps you should try some spelling variations:
"tin quan van snippets" » "tinh quang van snippets", "trinh quan van snippets", "lien quan van snippets", "tin luan van snippets", "tin quan va snippets", "tin quan luan snippets", "tin quan van slippers"
"using low java snippets" » "using low 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: (((("tin quan van snippets") or ("using low java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tin quan van snippets") OR ("using low java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tin quan van snippets ) or ( using low java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tin quan van snippets") or ("using low java snippets"))) or ("locating bug code snippets"))*.