Perhaps you should try some spelling variations:
hinh thai » sinh thai, tinh thai, dinh thi
thai cua » than cua, tai cuc, tri cua
van hinh » van chinh, van thinh, van minh
cua tre » cua te, cuu tre, cua triet
ve cham » va cham, ve chat, vu cham
dang xa » dang xay, lang xa, dang va
dang ha » dong ha, dung ha, lang ha
duc van » duc va, duc tan, duc manh
su sai » su tai, su hai, su dai
sai ky » sac ky
ve cam » ve cac, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky ((dang xa) OR (dang ha)) hoi. hieu ((ve cam) or (ve cham)) duc van hinh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky ((dang xa) OR (dang ha)) hoi. hieu ((ve cam) OR (ve cham)) duc van hinh thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ky ((dang xa) OR (dang ha)) hoi. hieu ((ve cam) or (ve cham)) duc van hinh thai cua tre".
• Adding a wildcard symbol may retrieve word variants: su sai ky ((dang xa) OR (dang ha)) hoi. hieu ((ve cam) or (ve cham)) duc van hinh thai cua tre*.