Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thien anh » thien danh, tien anh, thien thanh
trinh vat » trinh van, trinh luat, sinh vat
dung cong » dung trong
hien anh » hien hanh, dien anh, tien anh
vat dung » van dung, va dung, viet dung
dan toan » van toan, dan than, manh toan
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien anh) or (thien anh)) - hanh trinh vat dung cong ((dan toan) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien anh) OR (thien anh)) - hanh trinh vat dung cong ((dan toan) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien anh) or (thien anh)) - hanh trinh vat dung cong ((dan toan) or (dan chan)) cau*.