Perhaps you should try some spelling variations:
"dung quoc tranh snippets" » "dung cuoc tranh snippets", "dung quoc thanh snippets", "dung quoc thinh snippets", "dang quoc tranh snippets", "dong quoc tranh snippets", "trung quoc tranh snippets", "dung quoc tranh slippers"
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets", "using ibm code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using ibm code snippets") or ("dung quoc tranh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using ibm code snippets") OR ("dung quoc tranh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using ibm code snippets ) or ( dung quoc tranh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using ibm code snippets") or ("dung quoc tranh snippets"))) or ("locating bug code snippets"))*.