Perhaps you should try some spelling variations:
tang mai » tang ma, tang tai, lang mai
cua tre » cua te, cuu tre, cua triet
va xanh » va danh, va anh, va banh
ky tang » ky nang, ky dang, kho tang
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
di cua » dai cua, doi cua, de cua
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
ve dat » de dat, va dat, ve dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky tang mai hoi. hieu ve dat (nuoc or duoc) ((va xanh) OR (va hanh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky tang mai hoi. hieu ve dat (nuoc OR duoc) ((va xanh) OR (va hanh)) di cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky tang mai hoi. hieu ve dat (nuoc or duoc) ((va xanh) OR (va hanh)) di cua tre*".