Perhaps you should try some spelling variations:
tranh luat » trinh luat, tranh luan, tranh cua
trinh luan » trinh luat, trinh quan, trinh han
hoc thieu » toc thieu, hoc hien
tong cong » trong cong, cong cong, dung cong
ho chieu » theo chieu, doi chieu, mot chieu
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap

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