Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
theo dieu » theo tieu, theo chieu, thuoc dieu
dieu danh » dieu hanh, tieu danh, dia danh
quan hang » quan hoang, quan lang, quan hanh
hang cong » dang cong, hang nong, bang cong
thanh lap » thanh san, phan lap, thanh hai
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo dieu danh - hanh trinh quan hang cong dan ((thanh lap) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu danh - hanh trinh quan hang cong dan ((thanh lap) OR (toan cau))*.