Perhaps you should try some spelling variations:
cau phuc » cau truc, chau phu, huu phuc
vu hanh » vu khanh, vu thanh, du hanh
hanh ky » hanh kem
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cua tre » cua te, cuu tre, cua triet
hieu ke » hieu kem, chieu ke, hieu ky
lang ha » long ha
lang xa » dang xay, lang van
ke cau » ket cau

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

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