Perhaps you should try some spelling variations:
chung tuong » chung thong, nhung tuong, chuong duong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh trong » hanh trang, anh trong, hinh trong
tuong dan » huong dan, tung dan, xuong dan
trong so » trong co, trong su, trong o
so chung » ho chung, so nhung, cao chung
khan cap » khan ap, than cap, khoan cam

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 xanh) or (chieu sang)) - hanh trong so chung tuong dan ((phan tu) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sang)) - hanh trong so chung tuong dan ((phan tu) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sang)) - hanh trong so chung tuong dan ((phan tu) or (khan cap))*.