Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua nhung » va nhung
toc hieu » toc thieu, doc hieu, hoc thieu
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
toan cau » toan cao, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu manh - anh tang cua nhung cong san ((toan cau) or (((toan tap) or (toan ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - anh tang cua nhung cong san ((toan cau) OR (((toan tap) OR (toan ban)))).
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - anh tang cua nhung cong san ((toan cau) or (((toan tap) or (toan ban))))*.