Perhaps you should try some spelling variations:
nang ma » tang ma, sang ma, mang may
hieu va » lieu va
nam tuc » nam thuc, nam truc, nam tu
xa hanh » xa thanh, xa khanh, va hanh
hanh di » hanh vi, hanh de, hang di
cua tre » cua te, cuu tre, cua triet
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky ((nang ma) or (nang cao)) hoi. ((hieu va) or (hieu qua)) nam tuc xa hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((nang ma) OR (nang cao)) hoi. ((hieu va) OR (hieu qua)) nam tuc xa hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky ((nang ma) or (nang cao)) hoi. ((hieu va) or (hieu qua)) nam tuc xa hanh di cua tre*.