Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
dang cong » dung cong
trinh vi » trinh va, trinh ve, trinh viet
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu
vi dang » vu dang, va dang, vi dong

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 tinh)))) - hanh trinh vi dang cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (((hieu manh) OR (chieu tinh)))) - hanh trinh vi dang cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (((hieu manh) or (chieu tinh)))) - hanh trinh vi dang cong dan phan cau*.