Perhaps you should try some spelling variations:
dao hanh » dao thanh, dang hanh, ban hanh
bao xanh » bao hanh, ban hanh, cao anh
cua tre » cua te, cuu tre, cua triet
ve phan » va phan, ke phan, ve phat
dang ma » dang mau, dang mam, dang mat
ky dang » ky nang, ky danh
sac ky » cac ky, sai ky
ve han » ve hanh, ve ban, va han
ma hoi » mai hoi, xa hoi, ma hoa
di cua » dai cua, doi cua, de cua
tu sac » tu sach, tu cac, tu san

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 dang ma hoi. hieu ((ve han) or (ve phan)) quoc ((bao xanh) OR (dao hanh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang ma hoi. hieu ((ve han) OR (ve phan)) quoc ((bao xanh) OR (dao hanh)) di cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky dang ma hoi. hieu ((ve han) or (ve phan)) quoc ((bao xanh) OR (dao hanh)) di cua tre*".