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