Perhaps you should try some spelling variations:
trien nganh » trien nhan, vien nganh, tin nganh
toc trien » buoc trien, toc thieu, moc tren
hanh hang » thanh hang, hang hang, hanh han
dung cong » dung trong
hang cua » mang cua, hang ca, huong cua
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
hanh cat » hanh cac, hanh luat, nhanh cay
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc trien nganh - hanh hang cua dung cong tac ((hanh cat) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc trien nganh - hanh hang cua dung cong tac ((hanh cat) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: toc trien nganh - hanh hang cua dung cong tac ((hanh cat) or (khan cap))*.