Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
theo chieu » theo tieu, ho chieu, thi chieu
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
theo chu » cho chu, chao chu, theo yeu
cua dung » cua dang, cua dong, qua dung
dan than » dan chan, ban than, van than
van toan » van tuan, van tan, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo chu)) tinh - hanh trinh cua dung cong ((dan than) or (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) tinh - hanh trinh cua dung cong ((dan than) OR (van toan)) cao.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) tinh - hanh trinh cua dung cong ((dan than) or (van toan)) cao*.