Perhaps you should try some spelling variations:
ky lang » ky dang, ky tang, tay lang
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
te cac » tu cac, ve cac, te cao
ha hoi » hoa hoi, ha noi, xa hoi
soc va » hoc va, loc va, doc va
cua te » cua tu

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