Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
tieu hanh » dieu hanh, tiem hanh, tien hanh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu hanh - hanh tang luan nhung cong ((((dan toan) or (van toan))) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu hanh - hanh tang luan nhung cong ((((dan toan) OR (van toan))) OR (ban than)) cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu hanh - hanh tang luan nhung cong ((((dan toan) or (van toan))) or (ban than)) cau*.