Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
cua thong » cua thuong, cua khong, cua tong
thanh cac » hanh cac, thanh bac, thanh ca
ho chieu » theo chieu, doi chieu, mot chieu
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (ho chieu)) xanh - thanh tung cua thong ((cong dong) or (cong san)) thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (ho chieu)) xanh - thanh tung cua thong ((cong dong) OR (cong san)) thanh cac.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (ho chieu)) xanh - thanh tung cua thong ((cong dong) or (cong san)) thanh cac*.