Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thep tinh » thep hinh, thien tinh, diep tinh
trinh cua » tinh cua, trinh luat, trinh quan
dang cong » dung cong
cua dang » cua cong, cua ban
van toan » van tuan, van thanh, manh toan
van tan » van tuan, van ban, van tai
cot » cost

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

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