Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
hoc chieu » hoc thieu, ho chieu, hoc dieu
tranh cac » trinh cac, thanh cac, tranh cai
tan thanh » tran thanh, tang thanh, toan thanh
thanh cau » thanh chau, thanh mau, nhanh cau
cong tan » cong tac, cong san, cong thanh

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 (hoc hien)) sach - canh tranh cac truong cong tan thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) sach - canh tranh cac truong cong tan thanh cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) sach - canh tranh cac truong cong tan thanh cau*.