Perhaps you should try some spelling variations:
cua thuong » cua truong, cua phuong, cua huong
hoc chinh » hoan chinh, hoc sinh, hoc kinh
hanh tang » hanh trang, anh tang, hanh mang
ca thuong » cao thuong, va thuong, cp thuong
duong van » duong va, luong va, dang van
van tuan » van quan, van ban, anh tuan
tuan tai » toan tai, quan tai, tan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chinh sach - hanh tang ((ca thuong) OR (cua thuong)) duong van tuan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chinh sach - hanh tang ((ca thuong) OR (cua thuong)) duong van tuan tai".
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - hanh tang ((ca thuong) OR (cua thuong)) duong van tuan tai*.