Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, dung phuong
theo luong » tien luong
thien bang » khien bang, thien ban, thien dang
hien bang » khien bang, mien bang, hien trang
manh tung » manh hung, thanh tung
tung cua » trung cua, tuong cua, dung cua
dan toan » van toan, dan than, manh toan
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 ((hien bang) OR (thien bang)) - manh tung cua ((theo luong) or (truong phuong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien bang) OR (thien bang)) - manh tung cua ((theo luong) OR (truong phuong)) dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien bang) OR (thien bang)) - manh tung cua ((theo luong) or (truong phuong)) dan toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien bang) OR (thien bang)) - manh tung cua ((theo luong) or (truong phuong)) dan toan cau*.