Perhaps you should try some spelling variations:
thien chanh » thien thanh, thien chinh, tien thanh
hanh huong » thanh huong, anh huong, manh huong
thong cong » trong cong, tong cong, thong thong
hien hanh » dieu hanh
huong cua » dung cua
cua thong » cua thuong, cua khong, cua tong
cong tinh » cong trinh, cong vinh, long tinh
toan ban » van 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 ((thien chanh) or (hien hanh)) - hanh huong cua thong cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien chanh) OR (hien hanh)) - hanh huong cua thong cong tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien chanh) or (hien hanh)) - hanh huong cua thong cong tinh toan ban*.