Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
doc hieu » toc thieu, hoc thieu, hoc hien
cong san » cong tac

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 - thanh trung cap thong cong san ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - thanh trung cap thong cong san ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - thanh trung cap thong cong san ((toan ban) or (van ban))*.