Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chiet tach » chieu sach
phuong dan » phuong danh, phuong doan, huong dan
hanh tang » hanh trang, anh tang, hanh mang
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
chu van » cuu van, chu han
tang va » trang va, tang van, thang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu van) or (chiet tach)) - hanh tang va nhung phuong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu van) OR (chiet tach)) - hanh tang va nhung phuong dan than cau*.