Perhaps you should try some spelling variations:
thieu khang » chieu khong
thieu quang » hieu quang, thien quan, trien quang
hanh tranh » canh tranh, hanh trinh, hanh trang
dong trong » duong trong, dung trong, cong trong
thanh chau » thanh cha, thanh cham, thanh chu
tranh cua » doanh cua, manh cua
trong van » trong cac
van thanh » ban thanh, van tuan
cua dong » chua dong, cua cong, cua dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu khang) or (thieu quang)) - hanh tranh cua dong trong van thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu khang) OR (thieu quang)) - hanh tranh cua dong trong van thanh chau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu khang) or (thieu quang)) - hanh tranh cua dong trong van thanh chau*.