Perhaps you should try some spelling variations:
dau tren » dau tien, dat tren, dau tieng
va thanh » gia thanh, ban thanh, va tinh
cau treo » cau theo, cau tren, cau triet
lang mai » lang dai, lang hai, lang man
mai khoi » mai khoa, tai khoa, cac khoi
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va danh, ban hanh
sach ky » sac ky, sach y, sach ty
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ky lang » ky nang, ky dang, ky tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky lang mai khoi. hieu ve cham xuc ((va hanh) or (va thanh)) tai ((cau treo) or (dau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang mai khoi. hieu ve cham xuc ((va hanh) OR (va thanh)) tai ((cau treo) OR (dau tren)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang mai khoi. hieu ve cham xuc ((va hanh) or (va thanh)) tai ((cau treo) or (dau tren))*.