Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
hanh truong » hanh trong, anh truong, manh truong
quan nhung » qua nhung, cua nhung, luan chung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » hoc hien
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

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