Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
nhanh lang » nhanh quang, nhanh thang, nhan dang
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
chi xanh » chi anh, chi danh, chi hanh
cong san » cong tac
toan tap » toan ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - ((hanh tang) or (nhanh lang)) cua nhung ((cong san) or (truong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - ((hanh tang) OR (nhanh lang)) cua nhung ((cong san) OR (truong thanh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - ((hanh tang) or (nhanh lang)) cua nhung ((cong san) or (truong thanh)) toan tap*.