Perhaps you should try some spelling variations:
chieu tach » chiet tach, chieu sach, chiu trach
tong thong » thong thong, cong thong, thong thuong
dong thong » thong thong, nong thon, dong thanh
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban
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: ho chieu tach - canh tranh cua ((tong thong) or (dong thong)) than ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tach - canh tranh cua ((tong thong) OR (dong thong)) than ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tach - canh tranh cua ((tong thong) or (dong thong)) than ((toan cao) or (toan tap))*.