Perhaps you should try some spelling variations:
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
toan thanh » tran thanh, hoan thanh, toan thang
thanh hang » thanh hoang, thanh thang, tranh hang
hang cong » dang cong, hang nong, bang cong
cong dan » cong san, cong tan, huong dan
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: theo chiet tach - tinh toan thanh hang cong dan phan tu~.
• Adding a wildcard symbol may retrieve word variants: theo chiet tach - tinh toan thanh hang cong dan phan tu*.