Perhaps you should try some spelling variations:
dan khanh » dang khanh, van khanh, dat khanh
dan hanh » dang hanh, dan thanh, ban hanh
cua tre » cua te, cuu tre, cua triet
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
ve cham » va cham, ve chat, vu cham
vi cua » vai cua, di cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky dang xa hoi. hieu ((ve cham) or (ve cac)) thuc ((dan hanh) or (dan khanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang xa hoi. hieu ((ve cham) OR (ve cac)) thuc ((dan hanh) OR (dan khanh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang xa hoi. hieu ((ve cham) or (ve cac)) thuc ((dan hanh) or (dan khanh)) vi cua tre*.