Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
theo phap » thi phap
bang cong » dang cong, bang song, hang cong
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua
cua bang » chua bang, cua ban, cua dang
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu

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 (theo phap)) tinh - anh nang cua bang cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo phap)) tinh - anh nang cua bang cong san phan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo phap)) tinh - anh nang cua bang cong san phan cau*.