Perhaps you should try some spelling variations:
theo chinh » thien chinh, te chinh, thi chinh
nhanh dung » nhanh dong, hanh dung, nhanh hung
che chinh » te chinh
duong anh » duong manh, duong xanh, duong vanh
thi nang » thi cong, thi hanh
tuan cau » toan cau, quan cau, tuan cu
ki nang » ky nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chinh) OR (che chinh)) sach - nhanh dung ((thi nang) or (ki nang)) duong anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chinh) OR (che chinh)) sach - nhanh dung ((thi nang) OR (ki nang)) duong anh tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chinh) OR (che chinh)) sach - nhanh dung ((thi nang) or (ki nang)) duong anh tuan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chinh) OR (che chinh)) sach - nhanh dung ((thi nang) or (ki nang)) duong anh tuan cau*.