Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
hoc thieu » toc thieu, hoc hien
thong cua » thong quan, thong tu, huong cua
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
khan cap » khan ap, than cap, khoan cam
so lieu » so dieu

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 (so lieu)) tinh - thanh thong cua cong ((cong dan) or (cong san)) khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (so lieu)) tinh - thanh thong cua cong ((cong dan) OR (cong san)) khan cap.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (so lieu)) tinh - thanh thong cua cong ((cong dan) or (cong san)) khan cap*.