Perhaps you should try some spelling variations:
thanh trung » thanh tung
truong cong » trong cong, truong dong, truong long
va truong » van truong, xa truong, va thuong
trung va » truong va, trang va, trung ha
cong dan » cong san, cong tan, huong dan
than cao » toan cao, thai cao, than cap
khan ap » khan cap, han ap, khan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hien) or (toc thieu)) hach - thanh trung va truong cong dan ((than cao) or (khan ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (toc thieu)) hach - thanh trung va truong cong dan ((than cao) OR (khan ap)).
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (toc thieu)) hach - thanh trung va truong cong dan ((than cao) or (khan ap))*.