Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh tinh » hanh tinh, manh tinh, canh tranh
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tinh van » trinh van, dinh van, tinh va
van phan » van phong, van thanh, luan phan
phan cau » phan dau, phan cac, phan tu

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 tinh van ((nhung cong) or (dung cong)) van phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - canh tinh van ((nhung cong) OR (dung cong)) van phan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh tinh van ((nhung cong) or (dung cong)) van phan cau*.