Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java che snippets" » "using java code snippets", "using data che snippets", "using japan che snippets", "using va che snippets", "using java can snippets"
"dung dung trong snippets" » "duong dung trong snippets", "ung dung trong snippets", "dung ung trong snippets"

Try widening your search to All Fields.

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 che snippets") or ("dung dung trong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java che snippets") OR ("dung dung trong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java che snippets ) or ( dung dung trong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java che snippets") or ("dung dung trong snippets"))) or ("locating bug core snippets"))*.