Perhaps you should try some spelling variations:
trong van » trong cac
tang dan » tang van, tung dan, tang luan
hanh vai » hanh vi, hanh va, hanh tai
thuc va » thuc vat, thuc dan, thuc day
vai cua » dai cua, hai cua, lai cua
hieu vu » hieu va, hieu ve, hieu su
tu sai » tu bai, tu san, tu cai
vu cam » vu cham, vu cao, va cam
tuc va » truc va, tuc xa, duc va
sai ky » sac ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky ((tang dan) or (trong van)) hoi. hieu vu cam ((tuc va) OR (thuc va)) hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky ((tang dan) OR (trong van)) hoi. hieu vu cam ((tuc va) OR (thuc va)) hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky ((tang dan) or (trong van)) hoi. hieu vu cam ((tuc va) OR (thuc va)) hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sai ky ((tang dan) or (trong van)) hoi. hieu vu cam ((tuc va) OR (thuc va)) hanh vai cua te*.