Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, dung phuong
hanh truong » hanh trong, anh truong, manh truong
truong tham » truong ham, tuong tham, truong thanh
thiet tach » chiet tach, thien hach, thuat tach
nhung cong » dung cong, thong cong, hang cong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
toan cau » toan ban, toan tap, toan tai
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 thiet tach - hanh truong tham ((nhung cong) or (truong phuong)) dan ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - hanh truong tham ((nhung cong) OR (truong phuong)) dan ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thiet tach - hanh truong tham ((nhung cong) or (truong phuong)) dan ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - hanh truong tham ((nhung cong) or (truong phuong)) dan ((toan cau) OR (toan cao))*.