Perhaps you should try some spelling variations:
chieu tach » chiet tach, chieu sach, chiu trach
hanh trong » hanh trang, anh trong, hinh trong
cac thuong » cac phuong, cac chuong, cac tuong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
toan cao » toan ban, toan tap

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 trong ((cac thuong) OR (cac truong)) ((cong san) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tach - hanh trong ((cac thuong) OR (cac truong)) ((cong san) OR (cong tan)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tach - hanh trong ((cac thuong) OR (cac truong)) ((cong san) or (cong tan)) toan cao*".