Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh dinh » thanh dinh, hanh tinh, anh dinh
hinh dinh » binh dinh, trinh dinh, hinh anh
nang cong » nang song, dang cong, bang cong
dan thanh » dang thanh, danh thanh, ban thanh
mot lieu » cot lieu, mot chieu, mot trieu
thi nang » thi cong, ki nang, thi hanh
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: mot lieu tinh - ((hanh dinh) or (hinh dinh)) thi nang cong dan thanh san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot lieu tinh - ((hanh dinh) OR (hinh dinh)) thi nang cong dan thanh san*.