Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
thai cua » than cua, tai cuc, tri cua
tan hanh » tan thanh, tang hanh, toan hanh
cua tre » cua te, cuu tre, cua triet
vu cham » va cham, vu kham, tu cham
ve chim » va chim, ve chinh, te chiem
ve cham » va cham, ve chat, viet cham
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
sai ky » sac ky
su sai » su tai, su hai, su dai

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