Perhaps you should try some spelling variations:
"hop dong van snippets" » "hoat dong van snippets", "ha dong van snippets", "huy dong van snippets", "hop duong van snippets", "hop dang van snippets", "hop dong von snippets", "hop dong 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: (((("hop dong 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: (((("hop dong van snippets") OR ("using low java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hop dong van snippets ) or ( using low java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hop dong van snippets") or ("using low java snippets"))) or ("locating bug code snippets"))*.