Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thong cong » trong cong, tong cong, thong thong
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, tang luan
cong tan » cong tac, cong san, cong thanh
than cau » phan cau, than cap, thanh chau
toan cau » 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 tinh - hanh ((tang cua) or (trung tam)) thong cong tan ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh ((tang cua) OR (trung tam)) thong cong tan ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh ((tang cua) or (trung tam)) thong cong tan ((than cau) or (toan cau))*.