Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vat dung cua snippets" » "vat dung code snippets", "van dung cua snippets", "va dung cua snippets", "viet dung cua snippets", "vat dung luan snippets", "vat dung cho snippets"
"missing java java snippets" » "missing data java snippets", "using java 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: (((("vat dung cua 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 cua snippets") OR ("missing java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vat dung cua snippets ) or ( missing java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat dung cua snippets") or ("missing java java snippets"))) or ("locating bug core snippets"))*.