Perhaps you should try some spelling variations:
thanh trung » thanh tung
chiet tach » chieu sach
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
sang than » cang thang, dang thanh, sang tao
ho chiet » ho chieu, ho thiet, hoc thiet
trung ha » trung hoc, trung tam, trung cap
san than » san thanh, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - thanh trung ha ((nhung cong) or (thong cong)) ((san than) OR (sang than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh trung ha ((nhung cong) OR (thong cong)) ((san than) OR (sang than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - thanh trung ha ((nhung cong) or (thong cong)) ((san than) OR (sang than)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh trung ha ((nhung cong) or (thong cong)) ((san than) OR (sang than)) cau*.