Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
tuan nhung » quan nhung, tuan hung, thuat nhung
hoc chieu » hoc thieu, hoc hien, hoc dieu
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (ho chieu)) sach - hanh trung tuan nhung ((cong tan) OR (cong san)) thanh san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) sach - hanh trung tuan nhung ((cong tan) OR (cong san)) thanh san.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (ho chieu)) sach - hanh trung tuan nhung ((cong tan) OR (cong san)) thanh san".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (ho chieu)) sach - hanh trung tuan nhung ((cong tan) OR (cong san)) thanh san*.