Perhaps you should try some spelling variations:
"dung trong cham snippets" » "dung trong code snippets", "dung trang cham snippets", "dung trong cac snippets", "dung trong nha snippets"
"locating bug core snippets" » "locating bug code snippets"
"using java thu snippets" » "using data thu snippets", "using va thu 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 thu snippets") or ("dung trong cham snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java thu snippets") OR ("dung trong cham snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java thu snippets ) or ( dung trong cham snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java thu snippets") or ("dung trong cham snippets"))) or ("locating bug core snippets"))*.