Perhaps you should try some spelling variations:
"van chinh java snippets" » "van chinh va snippets", "van trinh java snippets", "van think java snippets", "va chinh java snippets", "van thinh java snippets", "hanh chinh java snippets", "van chinh java slippers"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets", "using data 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: (((("van chinh java snippets") or ("using data java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van chinh java snippets") OR ("using data java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van chinh java snippets ) or ( using data java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van chinh java snippets") or ("using data java snippets"))) or ("locating bug code snippets"))*.