Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu nang » chieu sang, lieu nang, che nang
hanh tranh » canh tranh, hanh trinh, hanh trang
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
hach toan » thanh toan, manh toan
tac toan » tap toan, tam toan, tich toan

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 nang - hanh tranh ((cua thong) or (cua khong)) cong ((tac toan) OR (hach toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu nang - hanh tranh ((cua thong) OR (cua khong)) cong ((tac toan) OR (hach toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu nang - hanh tranh ((cua thong) or (cua khong)) cong ((tac toan) OR (hach toan)) cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu nang - hanh tranh ((cua thong) or (cua khong)) cong ((tac toan) OR (hach toan)) cau*.