Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thieu » toc thieu, hoc hien
cua thong » cua thuong, cua khong, cua tong
cuu nang » chuc nang, cam nang, cuu van
cong tac » cong ty
phat cau » phan cau, phap cau, phat am
pha cau » phan cau, phap cau, pha cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trang ((cua thong) OR (cuu nang)) cong tac ((phat cau) OR (pha cau))~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trang ((cua thong) or (cuu nang)) cong tac ((phat cau) or (pha cau))*.