Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
so sanh » do sanh
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
sanh y » sinh y, anh y, hanh y
y nang » ky nang, ly nang, v nang
nang o » nang co, nang ho, nang ro
ve cam » ve cham, ve cac, va cam
o hai » co hai, so hai, o lai

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh y nang o hai. hieu ve cam ((xuc van) or (duc tan)) hanh thai ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh y nang o hai. hieu ve cam ((xuc van) OR (duc tan)) hanh thai ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh y nang o hai. hieu ve cam ((xuc van) or (duc tan)) hanh thai ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: so sanh y nang o hai. hieu ve cam ((xuc van) or (duc tan)) hanh thai ((cua tre) OR (cuu tre))*.