Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
thiet tach » chiet tach, thien hach, thuat tach
hang luong » nang luong, hang thuong, hoang vuong
doanh phan » doanh nhan, doan phan, doanh thanh
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tuong dat » tuong dan, tuong dao, trong dat
dat hang » dat khanh, dat quang, tat thang
dan phan » doan phan, dan chan, van phan

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 tuong dat hang luong ((dan phan) or (doanh phan)) lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - thanh tuong dat hang luong ((dan phan) OR (doanh phan)) lap*.