Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
lieu tinh » trieu tinh, diep tinh, bien tinh
trinh cua » tinh cua, trinh luat, trinh quan
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong tac » cong ty
dung dan » dung dat, dung san, huong dan
tung dan » huong dan, trung dai, dung dat
co lieu » cot lieu, co hieu, so lieu

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "co lieu tinh - hanh trinh cua hang cong tac ((dung dan) OR (tung dan))~".
• Adding a wildcard symbol may retrieve word variants: co lieu tinh - hanh trinh cua hang cong tac ((dung dan) OR (tung dan))*.