Perhaps you should try some spelling variations:
trong quan » thong quan, tong quan, thong quang
hieu manh » chieu xanh, hieu nganh, dieu hanh
trong qua » thong qua, trong nha, duong qua
dung cong » dung trong
khanh cap » hanh cap, khan cap, hanh cac
khoan cam » khoa cam, khoan va, phan cam
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 manh - hanh ((trong qua) or (trong quan)) dung cong tac ((khanh cap) or (khoan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - hanh ((trong qua) OR (trong quan)) dung cong tac ((khanh cap) OR (khoan cam)).
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - hanh ((trong qua) or (trong quan)) dung cong tac ((khanh cap) or (khoan cam))*.