Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
hieu xanh » chieu xanh, hieu manh, hieu nganh
nhung van » phung van, nhung bai, nhung cau
doc hieu » toc thieu, hoc thieu, hoc hien
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - thanh trung tuan ((nhung van) or (dung trong)) san ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - thanh trung tuan ((nhung van) OR (dung trong)) san ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - thanh trung tuan ((nhung van) or (dung trong)) san ((toan cao) or (toan ban))*.