Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
canh trinh » canh tranh, hanh trinh, canh tinh
trinh quan » tinh quang, trinh luat, trinh han
quan dung » quang dung, quan duong, qua dung
dung tong » dung trong, dung thong, dung cong
tong luan » tang luan, dung luan, hang luan
ho chieu » hoc thieu, doi chieu, mot chieu
van tu » van thu, van du, van tuan

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 (theo chieu)) xanh - canh trinh quan dung tong luan ((van tu) or (ban tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - canh trinh quan dung tong luan ((van tu) OR (ban tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) xanh - canh trinh quan dung tong luan ((van tu) or (ban tu))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) xanh - canh trinh quan dung tong luan ((van tu) or (ban tu))*.