Perhaps you should try some spelling variations:
truong trong » truong trung, thuong trong, trung trong
tieng trung » truong trung
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
cac tan » cac dan, cac van, cac ban
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - hanh tranh cua ((truong trong) or (tieng trung)) cac tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh tranh cua ((truong trong) OR (tieng trung)) cac tan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh tranh cua ((truong trong) or (tieng trung)) cac tan cau*.