Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
thien anh » thien danh, tien anh, thien thanh
trinh han » trinh quan
han thong » han thuong, hang thong, nhan thong
cong san » cong tac
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (thien anh)) - hanh trinh han thong cong san ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (thien anh)) - hanh trinh han thong cong san ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (thien anh)) - hanh trinh han thong cong san ((toan tai) or (toan tap))*.