Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
dang cong » dung cong
theo chu » theo chieu, cho chu, chao chu
chu tinh » chau tinh, chua tinh, cuu tinh
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

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