Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
phan cong » thanh cong
ho chieu » hoc thieu, doi chieu, mot chieu
han cong » hang cong, hanh cong, han tong
tan toan » tan tran, tap toan, van toan
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 (ho chieu)) tinh - hanh trinh luan ((han cong) or (phan cong)) tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) tinh - hanh trinh luan ((han cong) OR (phan cong)) tan toan tap.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) tinh - hanh trinh luan ((han cong) or (phan cong)) tan toan tap*.