Perhaps you should try some spelling variations:
thuong luong » theo luong, cong luong, thong thuong
hanh trinh » canh tranh, hanh chinh
luong doan » long doan, phuong doan, luong quan
hien xanh » hien hanh, hien nhanh, chieu xanh
trinh va » trinh van, trinh vat, trinh ve
phan dau » phan tu, hang dau

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 hien xanh - hanh trinh va thuong luong doan ((phan lap) OR (phan dau))~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh va thuong luong doan ((phan lap) or (phan dau))*.