Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
mot chieu » doi chieu, ho chieu
trinh cua » tinh cua, trinh luat, trinh luan
tong cong » trong cong, cong cong, dung cong
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan cao » toan cao, juan cao, quang cao

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 - hanh ((trinh cua) or (trinh quan)) tong cong van tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc hien)) sach - hanh ((trinh cua) OR (trinh quan)) tong cong van tuan cao.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc hien)) sach - hanh ((trinh cua) or (trinh quan)) tong cong van tuan cao*.