Perhaps you should try some spelling variations:
"dang sinh java snippets" » "dang dinh java snippets", "khang sinh java snippets", "dang hanh java snippets", "dang trinh java snippets", "dang using java snippets", "dang sinh va snippets", "dang sinh java slippers"
"dung cac thuc snippets" » "luong cac thuc snippets", "dung cho thuc snippets", "dung tai thuc snippets", "dung cach thuc snippets", "dung cac thu snippets", "dung can thuc snippets", "dung cac thuc slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dung cac thuc snippets") or ("dang sinh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cac thuc snippets") OR ("dang sinh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cac thuc snippets ) or ( dang sinh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac thuc snippets") or ("dang sinh java snippets"))) or ("locating bug code snippets"))*.