Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, doi chieu, mot chieu
cong dan » cong san, cong tan, huong dan

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 trung cua thong cong dan ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (ho chieu)) xanh - thanh trung cua thong cong dan ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (ho chieu)) xanh - thanh trung cua thong cong dan ((toan ban) or (van ban))*.