Perhaps you should try some spelling variations:
ve chuyen » ke chuyen, va chuyen, he chuyen
bao vanh » bao hanh, dao van, cao van
ve chuan » ve chuong, vi khuan, ve quan
vanh dai » van dai, vanh tai, lanh dao
quoc bao » quoc oai, hoc bao, quoc va
cuu tre » cau tren, cau treo
ky sang » ky nang, ky dang, ky tang
sang ma » tang ma, nang ma, sang tao
cua tre » cua te, cua triet, dua tren
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky sang ma hoi. hieu ((ve chuan) OR (ve chuyen)) quoc bao vanh dai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang ma hoi. hieu ((ve chuan) OR (ve chuyen)) quoc bao vanh dai ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky sang ma hoi. hieu ((ve chuan) OR (ve chuyen)) quoc bao vanh dai ((cua tre) or (cuu tre))*".