Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
cua tre » cua te, cuu tre, cua triet
tai cua » thai cua, tai cuc, tri cua
va hanh » van hanh, va thanh, va danh
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va
cam luc » cam xuc, cau luc
luc va » duc va, tuc va, loc va
te sac » te sach, te cac
te san » te ban, ke san, tu 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) or (te san)) ky lang xa hoi. ((hieu va) OR (hieu qua)) cam luc va hanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te san)) ky lang xa hoi. ((hieu va) OR (hieu qua)) cam luc va hanh tai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) or (te san)) ky lang xa hoi. ((hieu va) OR (hieu qua)) cam luc va hanh tai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te san)) ky lang xa hoi. ((hieu va) OR (hieu qua)) cam luc va hanh tai cua tre*.