Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thi chieu » thi chien, thi hieu, theo chieu
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua nhung » va nhung
tinh cua » trinh cua, sinh cua, tinh chat
cong van » cong vang, cong san, song van
toan ban » van ban
tan ban » tang ban, van ban, can ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (thi chieu)) xanh - hanh tinh cua nhung cong van ((tan ban) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc thieu) or (thi chieu)) xanh - hanh tinh cua nhung cong van ((tan ban) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (thi chieu)) xanh - hanh tinh cua nhung cong van ((tan ban) OR (toan ban))*.