Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"cong danh trac snippets" » "cuong danh trac snippets", "cong dan trac snippets", "cong thanh trac snippets", "cong anh trac snippets", "cong dang tran snippets", "cong danh thuc snippets", "cong danh trac slippers"
"hang java java snippets" » "hang va java snippets", "hang java java 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: (((("cong danh trac snippets") or ("hang java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong danh trac snippets") OR ("hang java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( cong danh trac snippets ) or ( hang java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong danh trac snippets") or ("hang java java snippets"))) or ("locating bugs code snippets"))*.