Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
doi chieu » doc hieu, doi chi, mot chieu
tuong cua » truong cua, huong cua, thong cua
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, mot chieu
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
thang ca » thang cua, tang ca, thang va
hang ca » hang va, nang cao, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chieu)) sach - thanh tuong cua dung cong tan ((thang ca) or (hang ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - thanh tuong cua dung cong tan ((thang ca) OR (hang ca)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sach - thanh tuong cua dung cong tan ((thang ca) or (hang ca))*.