Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
cham cuu » cap cuu, chat cua
vu sach » vu bach, su sach, vu khach
tai hai » thi hai, dai hai, tai ha
hieu va » lieu va, hieu qua
va cham » va chat, va tham
sach ky » sac ky, sach y, sach ty
cua tre » cuu tre, cua triet, dua tren
va tinh » may tinh
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: vu sach ky nang tai hai. hieu va cham cuu ((le thanh) or (va tinh)) lai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang tai hai. hieu va cham cuu ((le thanh) OR (va tinh)) lai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang tai hai. hieu va cham cuu ((le thanh) or (va tinh)) lai ((cua tre) or (cua te))*.