Perhaps you should try some spelling variations:
thanh trung » thanh tung
khong cong » thong cong, khong cang, chong cong
anh xquang » anh quang, anh quan, anh xuan
xquang cao » quang cao, quang bao, xquang ma
hieu xanh » chieu xanh, hieu manh, hieu nganh
trung hoc » trung quoc
hong bang » dong bang, hang ban, hong hanh
doc hieu » toc thieu, hoc thieu, hoc hien

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 hoc ((khong cong) or (hong bang)) anh xquang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - thanh trung hoc ((khong cong) OR (hong bang)) anh xquang cao.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - thanh trung hoc ((khong cong) or (hong bang)) anh xquang cao*.