Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets"
"dung pham chi snippets" » "dung phan chi snippets", "hung pham chi snippets", "tung pham chi snippets", "dung pham thi snippets", "dung tham chi snippets", "dung pham chieu 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: (((("using ibm code snippets") or ("dung pham chi snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using ibm code snippets") OR ("dung pham chi snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using ibm code snippets ) or ( dung pham chi snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using ibm code snippets") or ("dung pham chi snippets"))) or ("locating bugs code snippets"))*.