Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
nhung tuong » nhung huong, nhung phuong, hung vuong
thiet kieu » thiet ke, thi kieu, tiet kiem
hanh trinh » canh tranh, hanh chinh
kieu tinh » lieu tinh, trieu tinh, diep tinh
trinh van » trinh han, trinh quan, trinh toan
toan cau » toan cao, toan ban, toan tap

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

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