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