Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, anh thai
hanh tai » thanh tai, hang tai, hinh tai
cua tre » cua te, cuu tre, cua triet
han tai » hang tai, nhan tai, van tai
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
tuc va » thuc va, truc va, tuc xa
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
te sac » te sach, te cac, te san

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 lang xa hoi. hieu va cam tuc va ((hanh thai) or (((hanh tai) OR (han tai)))) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang xa hoi. hieu va cam tuc va ((hanh thai) OR (((hanh tai) OR (han tai)))) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky lang xa hoi. hieu va cam tuc va ((hanh thai) or (((hanh tai) OR (han tai)))) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sac ky lang xa hoi. hieu va cam tuc va ((hanh thai) or (((hanh tai) OR (han tai)))) cua tre*.