Perhaps you should try some spelling variations:
trong thuat » trong hoat, trong thu, trong phat
thuat nhung » thuat hung, thuat chung, thuat chuong
hinh trong » chinh trong, dinh trong, sinh trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, cong dong
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) or (ho chieu)) sach - hinh trong thuat nhung ((cong dan) OR (huong dan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (ho chieu)) sach - hinh trong thuat nhung ((cong dan) OR (huong dan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hien) or (ho chieu)) sach - hinh trong thuat nhung ((cong dan) OR (huong dan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (ho chieu)) sach - hinh trong thuat nhung ((cong dan) OR (huong dan)) toan cau*.