Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
va thanh » gia thanh, ban thanh, va tinh
hoc sac » hoc sach, hoc cac, hoc mac
ky dang » ky nang, ky danh
dang ma » dang mau, dang mam, dang mat
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
cua tre » cuu tre, cua triet, dua tren
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sac ky dang ma hoi. hieu va cam duc va thanh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sac ky dang ma hoi. hieu va cam duc va thanh vai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: hoc sac ky dang ma hoi. hieu va cam duc va thanh vai ((cua tre) or (cua te))*.