Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hang cong » dang cong, hang nong, bang cong
chu xanh » chu manh, chieu xanh, chua xang
trinh va » trinh van, trinh vat, trinh ve
cho chu » cho thue
ly toan » ly hoan, ly tran, ly doanh
le toan » ke toan, le doan, le tuan

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: cho chu xanh - hanh trinh va ((dung trong) OR (hang cong)) ((ly toan) OR (le toan)) tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chu xanh - hanh trinh va ((dung trong) or (hang cong)) ((ly toan) OR (le toan)) tap~".
• Adding a wildcard symbol may retrieve word variants: cho chu xanh - hanh trinh va ((dung trong) or (hang cong)) ((ly toan) OR (le toan)) tap*.