Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers"
"van thinh java snippets" » "van trinh java snippets", "van think java snippets", "van thanh java snippets", "van chinh java snippets", "van minh java snippets"
"dung cfd code snippets" » "dung cho code snippets", "dung cua code snippets", "dung co code 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: (((("van thinh java snippets") or ("dung cfd code snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van thinh java snippets") OR ("dung cfd code snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( van thinh java snippets ) or ( dung cfd code snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("van thinh java snippets") or ("dung cfd code snippets"))) or ("locating bugs code slippers"))*.