Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van quang cac snippets" » "van quang code snippets", "van quan cac snippets", "tran quang cac snippets", "van tuan cac snippets", "van quang cao snippets", "van quanh cac snippets", "van quang chan snippets"
"using java java snippets" » "using 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: (((("using java java snippets") or ("van quang cac snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("van quang cac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( van quang cac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("van quang cac snippets"))) or ("locating bug core snippets"))*.