Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
hanh trinh » canh tranh, hanh chinh
hieu sang » chieu sang, hieu lang, hieu quang
trinh cac » trinh cau, trinh chat, trinh chao
doanh bac » doanh bat, danh bac, doanh bao
doanh ban » doanh bat, doanh van, doanh nhan
doc hieu » toc thieu, hoc thieu, hoc hien
cong tac » cong ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu sang - hanh trinh cac truong cong tac ((doanh bac) or (doanh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sang - hanh trinh cac truong cong tac ((doanh bac) OR (doanh ban)).
• Adding a wildcard symbol may retrieve word variants: doc hieu sang - hanh trinh cac truong cong tac ((doanh bac) or (doanh ban))*.