Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung cao » truong cao, trung cap, trung ca
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
trung co » trung bo, trong co, truong cao
cong san » cong tac
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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 ((trung cao) OR (trung co)) bang cong san ((phan cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh ((trung cao) OR (trung co)) bang cong san ((phan cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh ((trung cao) OR (trung co)) bang cong san ((phan cau) or (phan dau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh ((trung cao) OR (trung co)) bang cong san ((phan cau) or (phan dau))*.