Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
cong lang » cong luong, cong quang, cong ngang
cong vang » cong quang, cong ngang, cong san
chinh ca » chinh ta, chinh va, chinh tai
ca nhung » cua nhung, cam nhung, va nhung
than cau » toan cau, phan cau, than cap

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 - hanh chinh ca nhung ((cong lang) or (cong vang)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh chinh ca nhung ((cong lang) OR (cong vang)) than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh chinh ca nhung ((cong lang) or (cong vang)) than cau*.