Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"hang java java snippets" » "hang va java snippets"
"dung van trinh snippets" » "dung van thinh snippets", "dung van tinh snippets", "dung dan trinh snippets", "duong van trinh snippets", "dung va trinh snippets", "dang van trinh 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: (((("hang java java snippets") or ("dung van trinh snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang java java snippets") OR ("dung van trinh snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( hang java java snippets ) or ( dung van trinh snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("hang java java snippets") or ("dung van trinh snippets"))) or ("locating bug code slippers"))*.