Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
thang cua » thong cua, hang cua, than cua
trung cap » truong cao, trung tam
toc hieu » toc thieu, doc hieu, hoc thieu
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap
toan tap » toan 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 - hanh ((thang cua) or (trung cap)) nhung cong dan ((than cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - hanh ((thang cua) OR (trung cap)) nhung cong dan ((than cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - hanh ((thang cua) or (trung cap)) nhung cong dan ((than cau) or (toan tap))*.