Perhaps you should try some spelling variations:
hang cong » dang cong, hang nong, bang cong
chi xanh » chi anh, chi danh, chieu xanh
chi hanh » chi nhanh, chi thanh, thi hanh
tranh va » tranh van, trang va, trinh va
cong tac » cong ty
tac phat » tac pham, tam phat, tan phat
phat cau » phan cau, pha cau, phap cau
va hang » van hang, va nang, va 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 xanh) OR (chi hanh)) - canh tranh va hang cong tac phat cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi xanh) OR (chi hanh)) - canh tranh va hang cong tac phat cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) OR (chi hanh)) - canh tranh va hang cong tac phat cau*.