Perhaps you should try some spelling variations:
vu khich » vu khach, vu khanh, vu khac
khich le » thinh le, dich le, tich le
hanh di » hanh vi, hanh de, hang di
truc va » thuc va, thuc vat, trung va
hieu ca » hieu cac, hieu cua, hieu va
ca chat » cao chat, cac chat, va chat
sang ma » tang ma, nang ma, sang tao
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, tuc xa, duc va
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: vu khich le ((lang xa) or (sang ma)) hoi. hieu ca chat ((tuc va) or (truc va)) hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khich le ((lang xa) OR (sang ma)) hoi. hieu ca chat ((tuc va) OR (truc va)) hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: vu khich le ((lang xa) or (sang ma)) hoi. hieu ca chat ((tuc va) or (truc va)) hanh di cua tre*.