Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van duong do snippets" » "van duong code snippets", "van dong do snippets", "van dung do snippets", "van phong do snippets", "van duong dao snippets", "van duong doi snippets", "van duong co snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java 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 duong do snippets") or ("using data java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van duong do snippets") OR ("using data java snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( van duong do snippets ) or ( using data java snippets ))) or ( locating bug core snippets ))*.