Perhaps you should try some spelling variations:
canh trinh » canh tranh, canh tinh, anh trinh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
vat thong » va thong, vat trong, mat thong
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu manh) OR (chieu tinh)) - ((canh trinh) OR (hanh trinh)) vat thong cong san than cap~.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu manh) or (chieu tinh)) - ((canh trinh) or (hanh trinh)) vat thong cong san than cap*.