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 hanh » tac thanh, tac danh, sac hanh
hanh ca » hanh cac, hanh cat, hanh cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (hoc hien)) nganh - hanh tranh cua tong cong tac hanh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (hoc hien)) nganh - hanh tranh cua tong cong tac hanh ca*.