Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
cong ban » cong bang, cong san, cong tan
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao

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 tinh - ((canh tranh) or (thanh trung)) cua thong cong ban ((than cao) or (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((canh tranh) OR (thanh trung)) cua thong cong ban ((than cao) OR (thai cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - ((canh tranh) or (thanh trung)) cua thong cong ban ((than cao) or (thai cao))*.