Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh trung » thanh trung, hanh trang, manh trung
duong xanh » duong manh, duong sach, duong minh
trung dap » trung cap, trung dai, trung dam
dap nhung » vap nhung, va nhung, dap ung
duong van » duong va, luong va, dang van
tuan cau » toan cau, quan cau, tuan cu

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 trung dap nhung ((duong xanh) OR (duong van)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sang)) - hanh trung dap nhung ((duong xanh) OR (duong van)) tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sang)) - hanh trung dap nhung ((duong xanh) OR (duong van)) tuan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sang)) - hanh trung dap nhung ((duong xanh) OR (duong van)) tuan cau*.