Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chiet tach » chieu sach
tranh cua » doanh cua, manh cua
dung cong » dung trong
ho chiet » ho chieu, ho thiet, hoc thiet
than cao » toan cao, thai cao, than cap
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - canh tranh cua ((dung cong) or (thong cong)) dan ((than cao) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh tranh cua ((dung cong) OR (thong cong)) dan ((than cao) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tranh cua ((dung cong) or (thong cong)) dan ((than cao) or (khan cap))*.