Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
lang cong » dang cong, bang cong, hang cong
chi tinh » chai tinh, chi binh, cha tinh
trinh va » trinh van, trinh vat, trinh ve
cong van » cong vang, cong san, song van
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi tinh) or (chi minh)) - canh trinh va lang cong van ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi tinh) OR (chi minh)) - canh trinh va lang cong van ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: doi ((chi tinh) or (chi minh)) - canh trinh va lang cong van ((than cau) or (phan cau))*.