Perhaps you should try some spelling variations:
thang huong » thanh huong, thong huong, thanh chuong
thiet tach » chiet tach, thien hach, thuat tach
thanh tung » thanh cong
doanh phan » doanh nhan, doan phan, doanh thanh
hoc thiet » hoc thieu, hoc thuyet, hoc hien
dai thang » danh thang, tai thanh, dai han
tung dai » trung dai, tuong dai, tung dan
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet tach - thanh tung dai thang huong ((dan chan) or (doanh phan)) lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - thanh tung dai thang huong ((dan chan) OR (doanh phan)) lap*.