Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, canh tranh, hanh trinh
cong thanh » dong thanh, cong trinh, truong thanh
hoc thieu » toc thieu, hoc hien
trang va » tran van, hang va
cong tan » cong tac, cong san, cong ty
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan tu

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 trang va nhung ((cong tan) or (cong thanh)) ((chan cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trang va nhung ((cong tan) OR (cong thanh)) ((chan cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trang va nhung ((cong tan) or (cong thanh)) ((chan cau) or (phan cau))*.