Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
tran thanh » ban thanh, quan thanh
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
van thanh » ban thanh, van tuan
dan phan » doan phan, dan chan, van phan

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 xanh - thanh ((truong thanh) or (tran thanh)) nhung cong ((dan phan) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh ((truong thanh) OR (tran thanh)) nhung cong ((dan phan) OR (van thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh ((truong thanh) or (tran thanh)) nhung cong ((dan phan) or (van thanh)) cau*.