Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
hoc thien » hoc hien, hoc thieu, hoc thiet
thien anh » thien danh, tien anh, thien thanh
trinh cua » tinh cua, trinh luat, trinh quan
than cap » khan cap, thanh lap, thanh cac
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien anh - hanh trinh cua ((nhung cong) or (trong cong)) dan ((than cap) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien anh - hanh trinh cua ((nhung cong) OR (trong cong)) dan ((than cap) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thien anh - hanh trinh cua ((nhung cong) or (trong cong)) dan ((than cap) or (toan cau))*.