Perhaps you should try some spelling variations:
truong trong » truong trung, thuong trong, trung trong
quan truong » quang truong, quan trong, xuan truong
chieu sang » chieu sach, chieu xanh, hieu lang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
trong ca » trong cac, trong nha
chat cao » chat co, chat cho, chat bao
ca chat » cao chat, cac chat, va chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sang) or (chieu tinh)) - hanh trinh quan truong trong ca chat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (chieu tinh)) - hanh trinh quan truong trong ca chat cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) or (chieu tinh)) - hanh trinh quan truong trong ca chat cao*.