Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
dung cong » dung trong
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
ho chieu » hoc thieu, doi chieu, mot chieu
tranh va » tranh van, trang va, trinh va
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (ho chieu)) sach - canh ((tranh va) or (hang va)) dung cong luan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - canh ((tranh va) OR (hang va)) dung cong luan phan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sach - canh ((tranh va) or (hang va)) dung cong luan phan cau*.