Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"missing java java snippets" » "missing data java snippets", "using java java snippets"
"vat dung de snippets" » "vat dung code snippets", "van dung de snippets", "va dung de snippets", "viet dung de snippets", "vat dung he snippets", "vat dung dat snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("vat dung de snippets") or ("missing java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vat dung de snippets") OR ("missing java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vat dung de snippets ) or ( missing java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat dung de snippets") or ("missing java java snippets"))) or ("locating bug core snippets"))*.