Perhaps you should try some spelling variations:
"van hoang ha snippets" » "van hoan ha snippets", "quan hoang ha snippets", "tran hoang ha snippets", "van hoang hai snippets", "van hong ha snippets", "van hoang nham snippets", "van hoang ha 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: (((("van hoang ha snippets") or ("using raw java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van hoang ha snippets") OR ("using raw java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van hoang ha snippets ) or ( using raw java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van hoang ha snippets") or ("using raw java snippets"))) or ("locating bug code snippets"))*.