Perhaps you should try some spelling variations:
thi chieu » thi chien, thi hieu, theo chieu
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua thong » cua thuong, cua khong, cua tong
tinh cua » trinh cua, sinh cua, tinh chat
cong van » cong vang, song van, cong tan
cong san » cong tac
tan ban » toan ban, tang ban, van 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 thong ((cong van) OR (cong san)) tan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc thieu) or (thi chieu)) xanh - hanh tinh cua thong ((cong van) OR (cong san)) tan ban~".
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (thi chieu)) xanh - hanh tinh cua thong ((cong van) OR (cong san)) tan ban*.