Perhaps you should try some spelling variations:
mot chieu » doi chieu, ho chieu
canh manh » lanh manh, canh tranh, cach mang
cong vang » cong lang, cong quang, cong ngang
manh cua » doanh cua, ban cua
cua tong » cua cong, cua dong, cua nong
cong tac » cong ty
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: ((mot chieu) or (hoc hien)) sach - canh manh cua tong ((cong vang) or (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc hien)) sach - canh manh cua tong ((cong vang) OR (cong tac)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc hien)) sach - canh manh cua tong ((cong vang) or (cong tac)) toan cao*.