Perhaps you should try some spelling variations:
so sanh » do sanh
sanh ky » hanh ky, sang ky, nganh ky
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cau tuc » cau truc, cau tu, cau luc
va danh » va dinh, va dan, va hanh
doi cua » dai cua, hoi cua
vai cua » dai cua, hai cua, lai cua
va cau » van cau, va cac, va dau
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ky lang xa hoi. hieu va cau tuc va danh ((doi cua) or (vai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ky lang xa hoi. hieu va cau tuc va danh ((doi cua) OR (vai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: so sanh ky lang xa hoi. hieu va cau tuc va danh ((doi cua) or (vai cua)) tre*.