Perhaps you should try some spelling variations:
thanh toan » thanh san, tinh toan
hoc chinh » hoan chinh, hoc kinh
hanh luat » nganh luat, hang luan, hanh lam
dung cong » dung trong
thanh hoa » thanh pho
luat van » luan van, luat dan, luat va
van dung » van dong, xay dung, tin dung

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) or (hoc sinh)) sach - hanh luat van dung cong ((thanh toan) OR (thanh hoa)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chinh) OR (hoc sinh)) sach - hanh luat van dung cong ((thanh toan) OR (thanh hoa)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chinh) or (hoc sinh)) sach - hanh luat van dung cong ((thanh toan) OR (thanh hoa)) cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc chinh) or (hoc sinh)) sach - hanh luat van dung cong ((thanh toan) OR (thanh hoa)) cau*.