Perhaps you should try some spelling variations:
phuong trinh » chuong trinh, cong trinh, huong tran
nhung phuong » dung phuong, nhu phuong, truong phuong
theo chieu » theo tieu, ho chieu, theo chu
hanh trinh » canh tranh, hanh chinh
trinh toan » tinh toan, thanh toan, trinh han
toan nhung » toan chung, toan khung, doanh nhung
doi chieu » doc hieu, doi chi, ho chieu
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

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