Perhaps you should try some spelling variations:
thuat nhung » thuat hung, thuat chung, thuat chuong
trinh thuat » trinh luat, trinh thiet, trinh thuc
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, ho chieu, mot chieu
manh toan » thanh toan, anh tuan, tinh toan
dan than » dan chan, ban than, van than
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (doi chi)) tinh - hanh trinh thuat nhung cong ((dan than) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) tinh - hanh trinh thuat nhung cong ((dan than) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) tinh - hanh trinh thuat nhung cong ((dan than) or (manh toan)) cau*.