Perhaps you should try some spelling variations:
tham nuoc » thay nuoc, thoat nuoc, nha nuoc
ky lang » ky dang, ky tang, tay lang
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
te cac » tu cac, ve cac, te cao
ha hoi » hoa hoi, ha noi, xa hoi
ham so » nam so, cham soc
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ((ky lang) or (ky nang)) ha hoi. hieu va ((ham so) or (tham nuoc)) va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ((ky lang) OR (ky nang)) ha hoi. hieu va ((ham so) OR (tham nuoc)) va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te cac ((ky lang) or (ky nang)) ha hoi. hieu va ((ham so) or (tham nuoc)) va hanh vi cua tre*.