Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
hanh te » hanh tu, hanh ve, hanh de
xuc van » duc van, luc van, vuc van
va cham » va chat, va tham
hieu va » lieu va, hieu qua
tang ha » lang ha, tang ma, trung ha
ky tang » ky nang, ky dang, kho tang
tuc dan » thuc dan, thuc day, tung dan
ha hoi » hoa hoi, ha noi, xa hoi
te cua » tue cua, le cua, de cua
tu dan » tu ban, cu dan, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu dan) OR (tuc dan)) ky tang ha hoi. hieu va cham ((xuc van) or (suc manh)) hanh te cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu dan) OR (tuc dan)) ky tang ha hoi. hieu va cham ((xuc van) OR (suc manh)) hanh te cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu dan) OR (tuc dan)) ky tang ha hoi. hieu va cham ((xuc van) or (suc manh)) hanh te cua tre*".