Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung cong, nhung dung
nhung tuong » nhung phuong, hung vuong, nhung cong
hanh trinh » canh tranh, hanh chinh
thiet yeu » thiet ke, theo yeu
trinh van » trinh han, trinh quan, trinh toan
toan cau » toan cao, toan ban, toan tap
yeu tin » yeu tan, hieu tin, lieu tin

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

• Performing a fuzzy search may retrieve terms with similar spellings: thiet yeu tin - hanh trinh van ((nhung huong) or (nhung tuong)) tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thiet yeu tin - hanh trinh van ((nhung huong) OR (nhung tuong)) tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: thiet yeu tin - hanh trinh van ((nhung huong) or (nhung tuong)) tinh toan cau*.