Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
hanh trinh » canh tranh, hanh chinh
nhieu tang » chieu sang, nhiet nang
trinh toan » tinh toan, thanh toan, trinh quan
hieu lang » chieu sang, hieu quang, hieu van
trinh van » trinh quan, dinh van
van nhung » van nhuong, va nhung, van hung
trinh han » trinh quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((nhieu tang) or (hieu lang)) - hanh trinh van nhung phuong ((trinh toan) or (trinh han)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((nhieu tang) OR (hieu lang)) - hanh trinh van nhung phuong ((trinh toan) OR (trinh han)) cau.
• Adding a wildcard symbol may retrieve word variants: doi ((nhieu tang) or (hieu lang)) - hanh trinh van nhung phuong ((trinh toan) or (trinh han)) cau*.