Perhaps you should try some spelling variations:
chieu tach » chiet tach, chieu sach, chiu trach
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
tranh ban » trinh ban, tranh hang, tranh luan
ho chieu » theo chieu, hoc thieu, mot chieu
cong tan » cong tac, cong san, cong thanh
tran bai » toan bai, tran hai, trang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tach - hanh trinh luan dung cong tan ((tran bai) or (tranh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tach - hanh trinh luan dung cong tan ((tran bai) OR (tranh ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tach - hanh trinh luan dung cong tan ((tran bai) or (tranh ban))*.