Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
cong tac » cong ty
tac tren » rac tren, tai tren, tap tren
tren cao » tren co, tren ca, tren cay
doi cuu » doi cua, doi cuoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi cuu tinh - hanh tranh cua tong cong tac tren cao~.
• Adding a wildcard symbol may retrieve word variants: doi cuu tinh - hanh tranh cua tong cong tac tren cao*.