Perhaps you should try some spelling variations:
"don't trinh java snippets" » "don't think java snippets", "dong trinh java snippets"
"dung cot code snippets" » "dung co code snippets", "dung mot code snippets", "dung con code snippets", "dung cfd code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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: (((("don't trinh java snippets") or ("dung cot code snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("don't trinh java snippets") OR ("dung cot code snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( don't trinh java snippets ) or ( dung cot code snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("don't trinh java snippets") or ("dung cot code snippets"))) or ("locating bug code slippers"))*.