Perhaps you should try some spelling variations:
"locating bbug code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"van duong cua snippets" » "van dong cua snippets", "van dung cua snippets", "van phong cua snippets", "van huong cua snippets", "van duong qua 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 cua snippets") or ("using java java snippets"))) or ("locating bbug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van duong cua snippets") OR ("using java java snippets"))) OR ("locating bbug code snippets")).
• Removing quotes may allow a broader search: (((( van duong cua snippets ) or ( using java java snippets ))) or ( locating bbug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van duong cua snippets") or ("using java java snippets"))) or ("locating bbug code snippets"))*.