Perhaps you should try some spelling variations:
cham hoi » cham voi, cham h'roi, pham hoai
ky lang » ky dang, ky tang, tay lang
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va dinh » van dinh, va kinh, vu dinh
va tinh » may tinh
cuu tre » cua tre, cau tren, cau treo
tu sai » tu bai, tu san, tu cai
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ((ky lang) OR (ky nang)) xa hoi. hieu ve cham hoi ((va dinh) or (va tinh)) vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ((ky lang) OR (ky nang)) xa hoi. hieu ve cham hoi ((va dinh) OR (va tinh)) vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ((ky lang) OR (ky nang)) xa hoi. hieu ve cham hoi ((va dinh) or (va tinh)) vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sai ((ky lang) OR (ky nang)) xa hoi. hieu ve cham hoi ((va dinh) or (va tinh)) vi cuu tre*.