Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cam tuc » cam xuc, cam tu, nam thuc
cuu tre » cua tre, cau tren, cau treo
ly nang » ky nang, ly hang, ly vang
hieu va » lieu va, hieu qua
ly van » le van, ly va, ly von
vi cuu » vi luu, vinh cuu
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ((ly nang) or (ly van)) xa hoi. hieu va cam tuc ((va hanh) or (va danh)) vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ((ly nang) OR (ly van)) xa hoi. hieu va cam tuc ((va hanh) OR (va danh)) vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: vu khach ((ly nang) or (ly van)) xa hoi. hieu va cam tuc ((va hanh) or (va danh)) vi cuu tre*.