Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhanh dung » nhanh dong, nhanh hung, thanh dung
duong xanh » duong manh, duong van, duong sach
hanh dung » thanh dung, anh dung, hanh dong
duong anh » duong manh, duong vanh, dong anh
thi nang » thi cong, ki nang, thi hanh
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: theo chieu sach - ((nhanh dung) OR (hanh dung)) thi nang ((duong anh) or (duong xanh)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((nhanh dung) OR (hanh dung)) thi nang ((duong anh) OR (duong xanh)) tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((nhanh dung) OR (hanh dung)) thi nang ((duong anh) or (duong xanh)) tuan cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((nhanh dung) OR (hanh dung)) thi nang ((duong anh) or (duong xanh)) tuan cau*.