Perhaps you should try some spelling variations:
chieu tach » chiet tach, chieu sach, chiu trach
nguong dan » huong dan
tranh cua » doanh cua, manh cua
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
dong ban » dong bang, dong san, dong bac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tach - canh tranh cua nhung ((dong ban) OR (nguong dan)) ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tach - canh tranh cua nhung ((dong ban) or (nguong dan)) ((toan cau) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu tach - canh tranh cua nhung ((dong ban) or (nguong dan)) ((toan cau) OR (toan ban))*.