Perhaps you should try some spelling variations:
"thi nhung cong snippets" » "thi nhung code snippets", "thi dung cong snippets", "thi thong cong snippets", "thi hang cong snippets", "thi nang cong snippets", "thi hong cong snippets", "thi huong cong snippets"
"locating bug core snippets" » "locating bug code 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 ("thi nhung cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("thi nhung cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( thi nhung cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("thi nhung cong snippets"))) or ("locating bug core snippets"))*.