Perhaps you should try some spelling variations:
thieu xanh » thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
chinh vat » chinh va, chinh dat, chinh viet
tong cong » trong cong, cong cong, dung cong
vat tong » vat trong, va tong, vat dong
cong van » cong vang, cong san, song van
van tai » von tai, van tuan
tai cao » thai cao, tao cao, tai sao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (((hieu manh) or (chieu xanh)))) - hanh chinh vat tong cong van tai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (((hieu manh) OR (chieu xanh)))) - hanh chinh vat tong cong van tai cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (((hieu manh) or (chieu xanh)))) - hanh chinh vat tong cong van tai cao*.