Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"van duong van snippets" » "van dong van snippets", "van dung van snippets", "van phong van snippets", "van duong va snippets", "van luong va snippets", "van dang van snippets", "van duong van slippers"
"using low java snippets" » "using low java slippers"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using low java snippets") or ("van duong van snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using low java snippets") OR ("van duong van snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using low java snippets ) or ( van duong van snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using low java snippets") or ("van duong van snippets"))) or ("locating bugs code snippets"))*.