Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thanh tuong » thanh tung, thanh huong, thanh cuong
thuong cong » thong cong, thuong con, thuong dong
thien hach » thien thanh, hien hanh
cua thuong » cua truong, cua phuong, ca thuong
hoc thien » hoc hien, hoc thieu, hoc thiet
cong tac » cong ty
toan cao » toan ban
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 thien hach - ((thanh tuong) OR (thanh thuong)) cua thuong cong tac ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - ((thanh tuong) OR (thanh thuong)) cua thuong cong tac ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - ((thanh tuong) OR (thanh thuong)) cua thuong cong tac ((toan cao) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - ((thanh tuong) OR (thanh thuong)) cua thuong cong tac ((toan cao) or (toan tap))*.