Perhaps you should try some spelling variations:
hanh sinh » hanh tinh, hanh dinh, hinh sinh
hang cong » dang cong, hang nong, bang cong
chi xanh » chi danh, chi hanh, chieu xanh
vat hang » van hang, dat hang, va hang
cong san » cong tac
san thai » sac thai, ban thai, van thai
thai cua » than cua, tai cuc, tri cua
chi anh » chi danh, chi hanh, thi anh

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 xanh) or (chi anh)) - hanh sinh vat hang cong san thai cua~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi anh)) - hanh sinh vat hang cong san thai cua.
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi anh)) - hanh sinh vat hang cong san thai cua*.